Home / 19,961,461,353.60-29,942,192,030.40-5,240,970,806.40

Finding the Fourth Proportional to 19,961,461,353.60, 29,942,192,030.40 and 5,240,970,806.40

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Solution

The fourth proportional to 19,961,461,353.60, 29,942,192,030.40 and 5,240,970,806.40 is: 7,861,456,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961,461,353.60 : 29,942,192,030.40 = 5,240,970,806.40 : x
  2. Step 2: Convert to fraction form
    19,961,461,353.60/29,942,192,030.40 = 5,240,970,806.40/x
  3. Step 3: Cross multiply
    19,961,461,353.60x = 29,942,192,030.40 × 5,240,970,806.40
  4. Step 4: Simplify right side
    19,961,461,353.60x = 156,926,154,310,949,142,528
  5. Step 5: Solve for x
    x = 156,926,154,310,949,142,528/19,961,461,353.60
  6. Step 6: Final answer
    x = 7,861,456,209.60

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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.