Home / 1,359,444,720,648.40-1,876,024,170,892.90-742,147,438,672.45

Finding the Fourth Proportional to 1,359,444,720,648.40, 1,876,024,170,892.90 and 742,147,438,672.45

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Solution

The fourth proportional to 1,359,444,720,648.40, 1,876,024,170,892.90 and 742,147,438,672.45 is: 1,024,158,255,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,444,720,648.40 : 1,876,024,170,892.90 = 742,147,438,672.45 : x
  2. Step 2: Convert to fraction form
    1,359,444,720,648.40/1,876,024,170,892.90 = 742,147,438,672.45/x
  3. Step 3: Cross multiply
    1,359,444,720,648.40x = 1,876,024,170,892.90 × 742,147,438,672.45
  4. Step 4: Simplify right side
    1,359,444,720,648.40x = 1,392,286,533,315,772,287,025,152
  5. Step 5: Solve for x
    x = 1,392,286,533,315,772,287,025,152/1,359,444,720,648.40
  6. Step 6: Final answer
    x = 1,024,158,255,329.21

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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.