Home / 1,347,519,085.40-2,021,278,628.10-657,070,938.20

Finding the Fourth Proportional to 1,347,519,085.40, 2,021,278,628.10 and 657,070,938.20

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Solution

The fourth proportional to 1,347,519,085.40, 2,021,278,628.10 and 657,070,938.20 is: 985,606,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,519,085.40 : 2,021,278,628.10 = 657,070,938.20 : x
  2. Step 2: Convert to fraction form
    1,347,519,085.40/2,021,278,628.10 = 657,070,938.20/x
  3. Step 3: Cross multiply
    1,347,519,085.40x = 2,021,278,628.10 × 657,070,938.20
  4. Step 4: Simplify right side
    1,347,519,085.40x = 1,328,123,444,529,275,904
  5. Step 5: Solve for x
    x = 1,328,123,444,529,275,904/1,347,519,085.40
  6. Step 6: Final answer
    x = 985,606,407.30

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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.