Home / 1,021,636,145.10-1,532,454,217.65-970,617,809.10

Finding the Fourth Proportional to 1,021,636,145.10, 1,532,454,217.65 and 970,617,809.10

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Solution

The fourth proportional to 1,021,636,145.10, 1,532,454,217.65 and 970,617,809.10 is: 1,455,926,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,636,145.10 : 1,532,454,217.65 = 970,617,809.10 : x
  2. Step 2: Convert to fraction form
    1,021,636,145.10/1,532,454,217.65 = 970,617,809.10/x
  3. Step 3: Cross multiply
    1,021,636,145.10x = 1,532,454,217.65 × 970,617,809.10
  4. Step 4: Simplify right side
    1,021,636,145.10x = 1,487,427,355,281,497,600
  5. Step 5: Solve for x
    x = 1,487,427,355,281,497,600/1,021,636,145.10
  6. Step 6: Final answer
    x = 1,455,926,713.65

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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.