Home / 435,497,443.20-653,246,164.80-402,241,046.40

Finding the Fourth Proportional to 435,497,443.20, 653,246,164.80 and 402,241,046.40

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Solution

The fourth proportional to 435,497,443.20, 653,246,164.80 and 402,241,046.40 is: 603,361,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,497,443.20 : 653,246,164.80 = 402,241,046.40 : x
  2. Step 2: Convert to fraction form
    435,497,443.20/653,246,164.80 = 402,241,046.40/x
  3. Step 3: Cross multiply
    435,497,443.20x = 653,246,164.80 × 402,241,046.40
  4. Step 4: Simplify right side
    435,497,443.20x = 262,762,420,885,938,816
  5. Step 5: Solve for x
    x = 262,762,420,885,938,816/435,497,443.20
  6. Step 6: Final answer
    x = 603,361,569.60

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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.