Home / 1,140,550,218.68-1,573,689,535.26-645,512,927

Finding the Fourth Proportional to 1,140,550,218.68, 1,573,689,535.26 and 645,512,927

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Solution

The fourth proportional to 1,140,550,218.68, 1,573,689,535.26 and 645,512,927 is: 890,655,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,550,218.68 : 1,573,689,535.26 = 645,512,927 : x
  2. Step 2: Convert to fraction form
    1,140,550,218.68/1,573,689,535.26 = 645,512,927/x
  3. Step 3: Cross multiply
    1,140,550,218.68x = 1,573,689,535.26 × 645,512,927
  4. Step 4: Simplify right side
    1,140,550,218.68x = 1,015,836,938,094,952,320
  5. Step 5: Solve for x
    x = 1,015,836,938,094,952,320/1,140,550,218.68
  6. Step 6: Final answer
    x = 890,655,160.52

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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.