Home / 1,577,434,945.04-2,176,670,574.60-908,597,513.36

Finding the Fourth Proportional to 1,577,434,945.04, 2,176,670,574.60 and 908,597,513.36

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Solution

The fourth proportional to 1,577,434,945.04, 2,176,670,574.60 and 908,597,513.36 is: 1,253,755,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,434,945.04 : 2,176,670,574.60 = 908,597,513.36 : x
  2. Step 2: Convert to fraction form
    1,577,434,945.04/2,176,670,574.60 = 908,597,513.36/x
  3. Step 3: Cross multiply
    1,577,434,945.04x = 2,176,670,574.60 × 908,597,513.36
  4. Step 4: Simplify right side
    1,577,434,945.04x = 1,977,717,471,485,442,304
  5. Step 5: Solve for x
    x = 1,977,717,471,485,442,304/1,577,434,945.04
  6. Step 6: Final answer
    x = 1,253,755,330.90

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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.