Home / 1,359,444,720,645.90-1,876,024,170,889.60-742,147,438,670.15

Finding the Fourth Proportional to 1,359,444,720,645.90, 1,876,024,170,889.60 and 742,147,438,670.15

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Solution

The fourth proportional to 1,359,444,720,645.90, 1,876,024,170,889.60 and 742,147,438,670.15 is: 1,024,158,255,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,444,720,645.90 : 1,876,024,170,889.60 = 742,147,438,670.15 : x
  2. Step 2: Convert to fraction form
    1,359,444,720,645.90/1,876,024,170,889.60 = 742,147,438,670.15/x
  3. Step 3: Cross multiply
    1,359,444,720,645.90x = 1,876,024,170,889.60 × 742,147,438,670.15
  4. Step 4: Simplify right side
    1,359,444,720,645.90x = 1,392,286,533,309,008,518,840,320
  5. Step 5: Solve for x
    x = 1,392,286,533,309,008,518,840,320/1,359,444,720,645.90
  6. Step 6: Final answer
    x = 1,024,158,255,326.12

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.