Home / 457,564,068.76-631,438,821.75-248,720,211.40

Finding the Fourth Proportional to 457,564,068.76, 631,438,821.75 and 248,720,211.40

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Solution

The fourth proportional to 457,564,068.76, 631,438,821.75 and 248,720,211.40 is: 343,234,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,564,068.76 : 631,438,821.75 = 248,720,211.40 : x
  2. Step 2: Convert to fraction form
    457,564,068.76/631,438,821.75 = 248,720,211.40/x
  3. Step 3: Cross multiply
    457,564,068.76x = 631,438,821.75 × 248,720,211.40
  4. Step 4: Simplify right side
    457,564,068.76x = 157,051,597,231,826,912
  5. Step 5: Solve for x
    x = 157,051,597,231,826,912/457,564,068.76
  6. Step 6: Final answer
    x = 343,234,112.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.