Home / 1,218,234,401,536.80-1,681,203,791,938.40-669,545,155,031.95

Finding the Fourth Proportional to 1,218,234,401,536.80, 1,681,203,791,938.40 and 669,545,155,031.95

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Solution

The fourth proportional to 1,218,234,401,536.80, 1,681,203,791,938.40 and 669,545,155,031.95 is: 923,994,472,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,234,401,536.80 : 1,681,203,791,938.40 = 669,545,155,031.95 : x
  2. Step 2: Convert to fraction form
    1,218,234,401,536.80/1,681,203,791,938.40 = 669,545,155,031.95/x
  3. Step 3: Cross multiply
    1,218,234,401,536.80x = 1,681,203,791,938.40 × 669,545,155,031.95
  4. Step 4: Simplify right side
    1,218,234,401,536.80x = 1,125,641,853,513,698,088,321,024
  5. Step 5: Solve for x
    x = 1,125,641,853,513,698,088,321,024/1,218,234,401,536.80
  6. Step 6: Final answer
    x = 923,994,472,733.41

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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.