Home / 1,316,344,404.30-1,974,516,606.45-442,655,400.30

Finding the Fourth Proportional to 1,316,344,404.30, 1,974,516,606.45 and 442,655,400.30

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Solution

The fourth proportional to 1,316,344,404.30, 1,974,516,606.45 and 442,655,400.30 is: 663,983,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,344,404.30 : 1,974,516,606.45 = 442,655,400.30 : x
  2. Step 2: Convert to fraction form
    1,316,344,404.30/1,974,516,606.45 = 442,655,400.30/x
  3. Step 3: Cross multiply
    1,316,344,404.30x = 1,974,516,606.45 × 442,655,400.30
  4. Step 4: Simplify right side
    1,316,344,404.30x = 874,030,438,827,122,304
  5. Step 5: Solve for x
    x = 874,030,438,827,122,304/1,316,344,404.30
  6. Step 6: Final answer
    x = 663,983,100.45

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Half scale
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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.