Home / 988,120,398.96-1,363,519,304.12-564,650,024.34

Finding the Fourth Proportional to 988,120,398.96, 1,363,519,304.12 and 564,650,024.34

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Solution

The fourth proportional to 988,120,398.96, 1,363,519,304.12 and 564,650,024.34 is: 779,167,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,120,398.96 : 1,363,519,304.12 = 564,650,024.34 : x
  2. Step 2: Convert to fraction form
    988,120,398.96/1,363,519,304.12 = 564,650,024.34/x
  3. Step 3: Cross multiply
    988,120,398.96x = 1,363,519,304.12 × 564,650,024.34
  4. Step 4: Simplify right side
    988,120,398.96x = 769,911,208,259,417,856
  5. Step 5: Solve for x
    x = 769,911,208,259,417,856/988,120,398.96
  6. Step 6: Final answer
    x = 779,167,406.19

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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.