Home / 1,218,234,401,531.90-1,681,203,791,931.50-669,545,155,026.99

Finding the Fourth Proportional to 1,218,234,401,531.90, 1,681,203,791,931.50 and 669,545,155,026.99

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Solution

The fourth proportional to 1,218,234,401,531.90, 1,681,203,791,931.50 and 669,545,155,026.99 is: 923,994,472,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,234,401,531.90 : 1,681,203,791,931.50 = 669,545,155,026.99 : x
  2. Step 2: Convert to fraction form
    1,218,234,401,531.90/1,681,203,791,931.50 = 669,545,155,026.99/x
  3. Step 3: Cross multiply
    1,218,234,401,531.90x = 1,681,203,791,931.50 × 669,545,155,026.99
  4. Step 4: Simplify right side
    1,218,234,401,531.90x = 1,125,641,853,500,739,635,118,080
  5. Step 5: Solve for x
    x = 1,125,641,853,500,739,635,118,080/1,218,234,401,531.90
  6. Step 6: Final answer
    x = 923,994,472,726.49

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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.