Home / 1,013,235,453.68-1,397,544,101.35-929,872,781.89

Finding the Fourth Proportional to 1,013,235,453.68, 1,397,544,101.35 and 929,872,781.89

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Solution

The fourth proportional to 1,013,235,453.68, 1,397,544,101.35 and 929,872,781.89 is: 1,282,562,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,235,453.68 : 1,397,544,101.35 = 929,872,781.89 : x
  2. Step 2: Convert to fraction form
    1,013,235,453.68/1,397,544,101.35 = 929,872,781.89/x
  3. Step 3: Cross multiply
    1,013,235,453.68x = 1,397,544,101.35 × 929,872,781.89
  4. Step 4: Simplify right side
    1,013,235,453.68x = 1,299,538,221,330,466,304
  5. Step 5: Solve for x
    x = 1,299,538,221,330,466,304/1,013,235,453.68
  6. Step 6: Final answer
    x = 1,282,562,919.23

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Double scale
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1.5x scale

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.