Home / 1,359,444,720,649.40-1,876,024,170,894.30-742,147,438,673.45

Finding the Fourth Proportional to 1,359,444,720,649.40, 1,876,024,170,894.30 and 742,147,438,673.45

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Solution

The fourth proportional to 1,359,444,720,649.40, 1,876,024,170,894.30 and 742,147,438,673.45 is: 1,024,158,255,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,444,720,649.40 : 1,876,024,170,894.30 = 742,147,438,673.45 : x
  2. Step 2: Convert to fraction form
    1,359,444,720,649.40/1,876,024,170,894.30 = 742,147,438,673.45/x
  3. Step 3: Cross multiply
    1,359,444,720,649.40x = 1,876,024,170,894.30 × 742,147,438,673.45
  4. Step 4: Simplify right side
    1,359,444,720,649.40x = 1,392,286,533,318,687,227,641,856
  5. Step 5: Solve for x
    x = 1,392,286,533,318,687,227,641,856/1,359,444,720,649.40
  6. Step 6: Final answer
    x = 1,024,158,255,330.60

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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.