Home / 435,496,867.20-653,245,300.80-391,155,004.80

Finding the Fourth Proportional to 435,496,867.20, 653,245,300.80 and 391,155,004.80

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Solution

The fourth proportional to 435,496,867.20, 653,245,300.80 and 391,155,004.80 is: 586,732,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,496,867.20 : 653,245,300.80 = 391,155,004.80 : x
  2. Step 2: Convert to fraction form
    435,496,867.20/653,245,300.80 = 391,155,004.80/x
  3. Step 3: Cross multiply
    435,496,867.20x = 653,245,300.80 × 391,155,004.80
  4. Step 4: Simplify right side
    435,496,867.20x = 255,520,168,770,001,440
  5. Step 5: Solve for x
    x = 255,520,168,770,001,440/435,496,867.20
  6. Step 6: Final answer
    x = 586,732,507.20

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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.