Home / 912,708,001.30-1,369,062,001.95-549,910,945.30

Finding the Fourth Proportional to 912,708,001.30, 1,369,062,001.95 and 549,910,945.30

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Solution

The fourth proportional to 912,708,001.30, 1,369,062,001.95 and 549,910,945.30 is: 824,866,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,708,001.30 : 1,369,062,001.95 = 549,910,945.30 : x
  2. Step 2: Convert to fraction form
    912,708,001.30/1,369,062,001.95 = 549,910,945.30/x
  3. Step 3: Cross multiply
    912,708,001.30x = 1,369,062,001.95 × 549,910,945.30
  4. Step 4: Simplify right side
    912,708,001.30x = 752,862,179,666,634,880
  5. Step 5: Solve for x
    x = 752,862,179,666,634,880/912,708,001.30
  6. Step 6: Final answer
    x = 824,866,417.95

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Double scale
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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.