Home / 438,169,658.18-657,377,362.20-176,038,281.20

Finding the Fourth Proportional to 438,169,658.18, 657,377,362.20 and 176,038,281.20

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Solution

The fourth proportional to 438,169,658.18, 657,377,362.20 and 176,038,281.20 is: 264,106,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,169,658.18 : 657,377,362.20 = 176,038,281.20 : x
  2. Step 2: Convert to fraction form
    438,169,658.18/657,377,362.20 = 176,038,281.20/x
  3. Step 3: Cross multiply
    438,169,658.18x = 657,377,362.20 × 176,038,281.20
  4. Step 4: Simplify right side
    438,169,658.18x = 115,723,580,941,477,856
  5. Step 5: Solve for x
    x = 115,723,580,941,477,856/438,169,658.18
  6. Step 6: Final answer
    x = 264,106,787.82

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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.