Home / 988,120,402.97-1,363,519,309.65-564,650,028.35

Finding the Fourth Proportional to 988,120,402.97, 1,363,519,309.65 and 564,650,028.35

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Solution

The fourth proportional to 988,120,402.97, 1,363,519,309.65 and 564,650,028.35 is: 779,167,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,120,402.97 : 1,363,519,309.65 = 564,650,028.35 : x
  2. Step 2: Convert to fraction form
    988,120,402.97/1,363,519,309.65 = 564,650,028.35/x
  3. Step 3: Cross multiply
    988,120,402.97x = 1,363,519,309.65 × 564,650,028.35
  4. Step 4: Simplify right side
    988,120,402.97x = 769,911,216,849,645,056
  5. Step 5: Solve for x
    x = 769,911,216,849,645,056/988,120,402.97
  6. Step 6: Final answer
    x = 779,167,411.72

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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.