Home / 292,715,385.76-438,487,681.90-176,066,334.82

Finding the Fourth Proportional to 292,715,385.76, 438,487,681.90 and 176,066,334.82

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Solution

The fourth proportional to 292,715,385.76, 438,487,681.90 and 176,066,334.82 is: 263,747,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,715,385.76 : 438,487,681.90 = 176,066,334.82 : x
  2. Step 2: Convert to fraction form
    292,715,385.76/438,487,681.90 = 176,066,334.82/x
  3. Step 3: Cross multiply
    292,715,385.76x = 438,487,681.90 × 176,066,334.82
  4. Step 4: Simplify right side
    292,715,385.76x = 77,202,919,015,851,040
  5. Step 5: Solve for x
    x = 77,202,919,015,851,040/292,715,385.76
  6. Step 6: Final answer
    x = 263,747,390.03

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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.