Home / 520,037,279.10-780,055,918.65-174,876,191.10

Finding the Fourth Proportional to 520,037,279.10, 780,055,918.65 and 174,876,191.10

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Solution

The fourth proportional to 520,037,279.10, 780,055,918.65 and 174,876,191.10 is: 262,314,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,037,279.10 : 780,055,918.65 = 174,876,191.10 : x
  2. Step 2: Convert to fraction form
    520,037,279.10/780,055,918.65 = 174,876,191.10/x
  3. Step 3: Cross multiply
    520,037,279.10x = 780,055,918.65 × 174,876,191.10
  4. Step 4: Simplify right side
    520,037,279.10x = 136,413,207,898,523,440
  5. Step 5: Solve for x
    x = 136,413,207,898,523,440/520,037,279.10
  6. Step 6: Final answer
    x = 262,314,286.65

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Double scale
Find fourth proportional to 520,037,280.10, 780,055,920.15 and 174,876,192.10
Similar ratio
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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.