Home / 268,272,897.20-402,409,345.80-176,439,892.40

Finding the Fourth Proportional to 268,272,897.20, 402,409,345.80 and 176,439,892.40

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Solution

The fourth proportional to 268,272,897.20, 402,409,345.80 and 176,439,892.40 is: 264,659,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,897.20 : 402,409,345.80 = 176,439,892.40 : x
  2. Step 2: Convert to fraction form
    268,272,897.20/402,409,345.80 = 176,439,892.40/x
  3. Step 3: Cross multiply
    268,272,897.20x = 402,409,345.80 × 176,439,892.40
  4. Step 4: Simplify right side
    268,272,897.20x = 71,001,061,673,706,400
  5. Step 5: Solve for x
    x = 71,001,061,673,706,400/268,272,897.20
  6. Step 6: Final answer
    x = 264,659,838.60

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1.5x scale

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.