Home / 415,541,415.40-623,312,123.10-404,924,583.40

Finding the Fourth Proportional to 415,541,415.40, 623,312,123.10 and 404,924,583.40

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Solution

The fourth proportional to 415,541,415.40, 623,312,123.10 and 404,924,583.40 is: 607,386,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,541,415.40 : 623,312,123.10 = 404,924,583.40 : x
  2. Step 2: Convert to fraction form
    415,541,415.40/623,312,123.10 = 404,924,583.40/x
  3. Step 3: Cross multiply
    415,541,415.40x = 623,312,123.10 × 404,924,583.40
  4. Step 4: Simplify right side
    415,541,415.40x = 252,394,401,774,437,024
  5. Step 5: Solve for x
    x = 252,394,401,774,437,024/415,541,415.40
  6. Step 6: Final answer
    x = 607,386,875.10

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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.