Home / 539,030,515.20-808,545,772.80-193,995,398.40

Finding the Fourth Proportional to 539,030,515.20, 808,545,772.80 and 193,995,398.40

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Solution

The fourth proportional to 539,030,515.20, 808,545,772.80 and 193,995,398.40 is: 290,993,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,030,515.20 : 808,545,772.80 = 193,995,398.40 : x
  2. Step 2: Convert to fraction form
    539,030,515.20/808,545,772.80 = 193,995,398.40/x
  3. Step 3: Cross multiply
    539,030,515.20x = 808,545,772.80 × 193,995,398.40
  4. Step 4: Simplify right side
    539,030,515.20x = 156,854,159,318,971,872
  5. Step 5: Solve for x
    x = 156,854,159,318,971,872/539,030,515.20
  6. Step 6: Final answer
    x = 290,993,097.60

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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.