Home / 749,205,640.04-1,124,195,955.46-543,638,864.82

Finding the Fourth Proportional to 749,205,640.04, 1,124,195,955.46 and 543,638,864.82

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Solution

The fourth proportional to 749,205,640.04, 1,124,195,955.46 and 543,638,864.82 is: 815,739,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,205,640.04 : 1,124,195,955.46 = 543,638,864.82 : x
  2. Step 2: Convert to fraction form
    749,205,640.04/1,124,195,955.46 = 543,638,864.82/x
  3. Step 3: Cross multiply
    749,205,640.04x = 1,124,195,955.46 × 543,638,864.82
  4. Step 4: Simplify right side
    749,205,640.04x = 611,156,613,058,791,552
  5. Step 5: Solve for x
    x = 611,156,613,058,791,552/749,205,640.04
  6. Step 6: Final answer
    x = 815,739,471.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.