Home / 1,347,519,331.40-2,021,278,997.10-657,071,184.20

Finding the Fourth Proportional to 1,347,519,331.40, 2,021,278,997.10 and 657,071,184.20

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Solution

The fourth proportional to 1,347,519,331.40, 2,021,278,997.10 and 657,071,184.20 is: 985,606,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,519,331.40 : 2,021,278,997.10 = 657,071,184.20 : x
  2. Step 2: Convert to fraction form
    1,347,519,331.40/2,021,278,997.10 = 657,071,184.20/x
  3. Step 3: Cross multiply
    1,347,519,331.40x = 2,021,278,997.10 × 657,071,184.20
  4. Step 4: Simplify right side
    1,347,519,331.40x = 1,328,124,184,223,085,312
  5. Step 5: Solve for x
    x = 1,328,124,184,223,085,312/1,347,519,331.40
  6. Step 6: Final answer
    x = 985,606,776.30

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Double scale
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Similar ratio
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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.