Home / 407,808,001.60-611,712,002.40-363,217,307.20

Finding the Fourth Proportional to 407,808,001.60, 611,712,002.40 and 363,217,307.20

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Solution

The fourth proportional to 407,808,001.60, 611,712,002.40 and 363,217,307.20 is: 544,825,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,808,001.60 : 611,712,002.40 = 363,217,307.20 : x
  2. Step 2: Convert to fraction form
    407,808,001.60/611,712,002.40 = 363,217,307.20/x
  3. Step 3: Cross multiply
    407,808,001.60x = 611,712,002.40 × 363,217,307.20
  4. Step 4: Simplify right side
    407,808,001.60x = 222,184,386,293,647,936
  5. Step 5: Solve for x
    x = 222,184,386,293,647,936/407,808,001.60
  6. Step 6: Final answer
    x = 544,825,960.80

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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.