Home / 438,169,647.15-657,377,345.70-176,038,270.18

Finding the Fourth Proportional to 438,169,647.15, 657,377,345.70 and 176,038,270.18

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Solution

The fourth proportional to 438,169,647.15, 657,377,345.70 and 176,038,270.18 is: 264,106,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,169,647.15 : 657,377,345.70 = 176,038,270.18 : x
  2. Step 2: Convert to fraction form
    438,169,647.15/657,377,345.70 = 176,038,270.18/x
  3. Step 3: Cross multiply
    438,169,647.15x = 657,377,345.70 × 176,038,270.18
  4. Step 4: Simplify right side
    438,169,647.15x = 115,723,570,790,904,432
  5. Step 5: Solve for x
    x = 115,723,570,790,904,432/438,169,647.15
  6. Step 6: Final answer
    x = 264,106,771.30

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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.