Home / 993,460,909.80-1,490,191,364.70-977,336,596.20

Finding the Fourth Proportional to 993,460,909.80, 1,490,191,364.70 and 977,336,596.20

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Solution

The fourth proportional to 993,460,909.80, 1,490,191,364.70 and 977,336,596.20 is: 1,466,004,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,460,909.80 : 1,490,191,364.70 = 977,336,596.20 : x
  2. Step 2: Convert to fraction form
    993,460,909.80/1,490,191,364.70 = 977,336,596.20/x
  3. Step 3: Cross multiply
    993,460,909.80x = 1,490,191,364.70 × 977,336,596.20
  4. Step 4: Simplify right side
    993,460,909.80x = 1,456,418,556,062,531,072
  5. Step 5: Solve for x
    x = 1,456,418,556,062,531,072/993,460,909.80
  6. Step 6: Final answer
    x = 1,466,004,894.30

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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.