Home / 437,127,875.46-655,619,991.78-156,950,790.15

Finding the Fourth Proportional to 437,127,875.46, 655,619,991.78 and 156,950,790.15

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Solution

The fourth proportional to 437,127,875.46, 655,619,991.78 and 156,950,790.15 is: 235,400,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,127,875.46 : 655,619,991.78 = 156,950,790.15 : x
  2. Step 2: Convert to fraction form
    437,127,875.46/655,619,991.78 = 156,950,790.15/x
  3. Step 3: Cross multiply
    437,127,875.46x = 655,619,991.78 × 156,950,790.15
  4. Step 4: Simplify right side
    437,127,875.46x = 102,900,075,748,007,504
  5. Step 5: Solve for x
    x = 102,900,075,748,007,504/437,127,875.46
  6. Step 6: Final answer
    x = 235,400,397.74

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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.