Home / 434,484,941.80-651,727,412.70-161,820,279.40

Finding the Fourth Proportional to 434,484,941.80, 651,727,412.70 and 161,820,279.40

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Solution

The fourth proportional to 434,484,941.80, 651,727,412.70 and 161,820,279.40 is: 242,730,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,941.80 : 651,727,412.70 = 161,820,279.40 : x
  2. Step 2: Convert to fraction form
    434,484,941.80/651,727,412.70 = 161,820,279.40/x
  3. Step 3: Cross multiply
    434,484,941.80x = 651,727,412.70 × 161,820,279.40
  4. Step 4: Simplify right side
    434,484,941.80x = 105,462,712,015,753,120
  5. Step 5: Solve for x
    x = 105,462,712,015,753,120/434,484,941.80
  6. Step 6: Final answer
    x = 242,730,419.10

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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.