Home / 445,797,681.60-668,696,522.40-239,173,420.80

Finding the Fourth Proportional to 445,797,681.60, 668,696,522.40 and 239,173,420.80

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Solution

The fourth proportional to 445,797,681.60, 668,696,522.40 and 239,173,420.80 is: 358,760,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,797,681.60 : 668,696,522.40 = 239,173,420.80 : x
  2. Step 2: Convert to fraction form
    445,797,681.60/668,696,522.40 = 239,173,420.80/x
  3. Step 3: Cross multiply
    445,797,681.60x = 668,696,522.40 × 239,173,420.80
  4. Step 4: Simplify right side
    445,797,681.60x = 159,934,434,739,471,840
  5. Step 5: Solve for x
    x = 159,934,434,739,471,840/445,797,681.60
  6. Step 6: Final answer
    x = 358,760,131.20

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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.