Home / 590,490,660.80-885,735,991.20-437,435,652.80

Finding the Fourth Proportional to 590,490,660.80, 885,735,991.20 and 437,435,652.80

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Solution

The fourth proportional to 590,490,660.80, 885,735,991.20 and 437,435,652.80 is: 656,153,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,490,660.80 : 885,735,991.20 = 437,435,652.80 : x
  2. Step 2: Convert to fraction form
    590,490,660.80/885,735,991.20 = 437,435,652.80/x
  3. Step 3: Cross multiply
    590,490,660.80x = 885,735,991.20 × 437,435,652.80
  4. Step 4: Simplify right side
    590,490,660.80x = 387,452,501,519,027,072
  5. Step 5: Solve for x
    x = 387,452,501,519,027,072/590,490,660.80
  6. Step 6: Final answer
    x = 656,153,479.20

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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.