Home / 876,110,438.30-1,314,165,657.45-531,453,235.10

Finding the Fourth Proportional to 876,110,438.30, 1,314,165,657.45 and 531,453,235.10

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Solution

The fourth proportional to 876,110,438.30, 1,314,165,657.45 and 531,453,235.10 is: 797,179,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,110,438.30 : 1,314,165,657.45 = 531,453,235.10 : x
  2. Step 2: Convert to fraction form
    876,110,438.30/1,314,165,657.45 = 531,453,235.10/x
  3. Step 3: Cross multiply
    876,110,438.30x = 1,314,165,657.45 × 531,453,235.10
  4. Step 4: Simplify right side
    876,110,438.30x = 698,417,590,109,121,024
  5. Step 5: Solve for x
    x = 698,417,590,109,121,024/876,110,438.30
  6. Step 6: Final answer
    x = 797,179,852.65

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Double scale
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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.