Home / 870,931,196.10-1,306,508,768.55-434,454,984.90

Finding the Fourth Proportional to 870,931,196.10, 1,306,508,768.55 and 434,454,984.90

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Solution

The fourth proportional to 870,931,196.10, 1,306,508,768.55 and 434,454,984.90 is: 651,738,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,931,196.10 : 1,306,508,768.55 = 434,454,984.90 : x
  2. Step 2: Convert to fraction form
    870,931,196.10/1,306,508,768.55 = 434,454,984.90/x
  3. Step 3: Cross multiply
    870,931,196.10x = 1,306,508,768.55 × 434,454,984.90
  4. Step 4: Simplify right side
    870,931,196.10x = 567,619,247,312,107,776
  5. Step 5: Solve for x
    x = 567,619,247,312,107,776/870,931,196.10
  6. Step 6: Final answer
    x = 651,738,334.62

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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.