Home / 520,037,297.10-780,055,945.65-174,876,209.10

Finding the Fourth Proportional to 520,037,297.10, 780,055,945.65 and 174,876,209.10

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Solution

The fourth proportional to 520,037,297.10, 780,055,945.65 and 174,876,209.10 is: 262,314,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,037,297.10 : 780,055,945.65 = 174,876,209.10 : x
  2. Step 2: Convert to fraction form
    520,037,297.10/780,055,945.65 = 174,876,209.10/x
  3. Step 3: Cross multiply
    520,037,297.10x = 780,055,945.65 × 174,876,209.10
  4. Step 4: Simplify right side
    520,037,297.10x = 136,413,226,661,187,632
  5. Step 5: Solve for x
    x = 136,413,226,661,187,632/520,037,297.10
  6. Step 6: Final answer
    x = 262,314,313.65

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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.