Home / 1,036,638,313.30-1,554,957,469.95-649,217,824.30

Finding the Fourth Proportional to 1,036,638,313.30, 1,554,957,469.95 and 649,217,824.30

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Solution

The fourth proportional to 1,036,638,313.30, 1,554,957,469.95 and 649,217,824.30 is: 973,826,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638,313.30 : 1,554,957,469.95 = 649,217,824.30 : x
  2. Step 2: Convert to fraction form
    1,036,638,313.30/1,554,957,469.95 = 649,217,824.30/x
  3. Step 3: Cross multiply
    1,036,638,313.30x = 1,554,957,469.95 × 649,217,824.30
  4. Step 4: Simplify right side
    1,036,638,313.30x = 1,009,506,105,519,971,584
  5. Step 5: Solve for x
    x = 1,009,506,105,519,971,584/1,036,638,313.30
  6. Step 6: Final answer
    x = 973,826,736.45

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Double scale
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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.