Home / 727,888,974.10-1,091,833,461.15-452,389,959.70

Finding the Fourth Proportional to 727,888,974.10, 1,091,833,461.15 and 452,389,959.70

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Solution

The fourth proportional to 727,888,974.10, 1,091,833,461.15 and 452,389,959.70 is: 678,584,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,888,974.10 : 1,091,833,461.15 = 452,389,959.70 : x
  2. Step 2: Convert to fraction form
    727,888,974.10/1,091,833,461.15 = 452,389,959.70/x
  3. Step 3: Cross multiply
    727,888,974.10x = 1,091,833,461.15 × 452,389,959.70
  4. Step 4: Simplify right side
    727,888,974.10x = 493,934,495,488,760,064
  5. Step 5: Solve for x
    x = 493,934,495,488,760,064/727,888,974.10
  6. Step 6: Final answer
    x = 678,584,939.55

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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.