Home / 1,347,519,110.90-2,021,278,666.35-657,070,963.70

Finding the Fourth Proportional to 1,347,519,110.90, 2,021,278,666.35 and 657,070,963.70

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Solution

The fourth proportional to 1,347,519,110.90, 2,021,278,666.35 and 657,070,963.70 is: 985,606,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,519,110.90 : 2,021,278,666.35 = 657,070,963.70 : x
  2. Step 2: Convert to fraction form
    1,347,519,110.90/2,021,278,666.35 = 657,070,963.70/x
  3. Step 3: Cross multiply
    1,347,519,110.90x = 2,021,278,666.35 × 657,070,963.70
  4. Step 4: Simplify right side
    1,347,519,110.90x = 1,328,123,521,204,845,312
  5. Step 5: Solve for x
    x = 1,328,123,521,204,845,312/1,347,519,110.90
  6. Step 6: Final answer
    x = 985,606,445.55

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Double scale
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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.