Home / 15,128,689,993.47-22,674,980,569.73-7,041,268,217.79

Finding the Fourth Proportional to 15,128,689,993.47, 22,674,980,569.73 and 7,041,268,217.79

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Solution

The fourth proportional to 15,128,689,993.47, 22,674,980,569.73 and 7,041,268,217.79 is: 10,553,499,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,689,993.47 : 22,674,980,569.73 = 7,041,268,217.79 : x
  2. Step 2: Convert to fraction form
    15,128,689,993.47/22,674,980,569.73 = 7,041,268,217.79/x
  3. Step 3: Cross multiply
    15,128,689,993.47x = 22,674,980,569.73 × 7,041,268,217.79
  4. Step 4: Simplify right side
    15,128,689,993.47x = 159,660,620,024,610,422,784
  5. Step 5: Solve for x
    x = 159,660,620,024,610,422,784/15,128,689,993.47
  6. Step 6: Final answer
    x = 10,553,499,350.80

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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.