Home / 970,233,374.40-1,455,350,061.60-280,163,140.80

Finding the Fourth Proportional to 970,233,374.40, 1,455,350,061.60 and 280,163,140.80

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Solution

The fourth proportional to 970,233,374.40, 1,455,350,061.60 and 280,163,140.80 is: 420,244,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,233,374.40 : 1,455,350,061.60 = 280,163,140.80 : x
  2. Step 2: Convert to fraction form
    970,233,374.40/1,455,350,061.60 = 280,163,140.80/x
  3. Step 3: Cross multiply
    970,233,374.40x = 1,455,350,061.60 × 280,163,140.80
  4. Step 4: Simplify right side
    970,233,374.40x = 407,735,444,221,329,472
  5. Step 5: Solve for x
    x = 407,735,444,221,329,472/970,233,374.40
  6. Step 6: Final answer
    x = 420,244,711.20

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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.