Home / 1,036,638,081.80-1,554,957,122.70-649,217,592.80

Finding the Fourth Proportional to 1,036,638,081.80, 1,554,957,122.70 and 649,217,592.80

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Solution

The fourth proportional to 1,036,638,081.80, 1,554,957,122.70 and 649,217,592.80 is: 973,826,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638,081.80 : 1,554,957,122.70 = 649,217,592.80 : x
  2. Step 2: Convert to fraction form
    1,036,638,081.80/1,554,957,122.70 = 649,217,592.80/x
  3. Step 3: Cross multiply
    1,036,638,081.80x = 1,554,957,122.70 × 649,217,592.80
  4. Step 4: Simplify right side
    1,036,638,081.80x = 1,009,505,520,106,508,160
  5. Step 5: Solve for x
    x = 1,009,505,520,106,508,160/1,036,638,081.80
  6. Step 6: Final answer
    x = 973,826,389.20

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Half scale
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Double scale
Find fourth proportional to 1,036,638,082.80, 1,554,957,124.20 and 649,217,593.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.