Home / 565,813,117.28-780,839,462.04-314,931,446.66

Finding the Fourth Proportional to 565,813,117.28, 780,839,462.04 and 314,931,446.66

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Solution

The fourth proportional to 565,813,117.28, 780,839,462.04 and 314,931,446.66 is: 434,615,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,813,117.28 : 780,839,462.04 = 314,931,446.66 : x
  2. Step 2: Convert to fraction form
    565,813,117.28/780,839,462.04 = 314,931,446.66/x
  3. Step 3: Cross multiply
    565,813,117.28x = 780,839,462.04 × 314,931,446.66
  4. Step 4: Simplify right side
    565,813,117.28x = 245,910,901,389,473,376
  5. Step 5: Solve for x
    x = 245,910,901,389,473,376/565,813,117.28
  6. Step 6: Final answer
    x = 434,615,059.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.