Home / 442,607,957.09-663,866,439.07-147,471,199.93

Finding the Fourth Proportional to 442,607,957.09, 663,866,439.07 and 147,471,199.93

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Solution

The fourth proportional to 442,607,957.09, 663,866,439.07 and 147,471,199.93 is: 221,191,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,607,957.09 : 663,866,439.07 = 147,471,199.93 : x
  2. Step 2: Convert to fraction form
    442,607,957.09/663,866,439.07 = 147,471,199.93/x
  3. Step 3: Cross multiply
    442,607,957.09x = 663,866,439.07 × 147,471,199.93
  4. Step 4: Simplify right side
    442,607,957.09x = 97,901,180,362,909,152
  5. Step 5: Solve for x
    x = 97,901,180,362,909,152/442,607,957.09
  6. Step 6: Final answer
    x = 221,191,641.03

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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.