Home / 818,087,658.35-1,227,304,041.83-265,347,159.17

Finding the Fourth Proportional to 818,087,658.35, 1,227,304,041.83 and 265,347,159.17

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Solution

The fourth proportional to 818,087,658.35, 1,227,304,041.83 and 265,347,159.17 is: 398,076,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,087,658.35 : 1,227,304,041.83 = 265,347,159.17 : x
  2. Step 2: Convert to fraction form
    818,087,658.35/1,227,304,041.83 = 265,347,159.17/x
  3. Step 3: Cross multiply
    818,087,658.35x = 1,227,304,041.83 × 265,347,159.17
  4. Step 4: Simplify right side
    818,087,658.35x = 325,661,640,937,449,280
  5. Step 5: Solve for x
    x = 325,661,640,937,449,280/818,087,658.35
  6. Step 6: Final answer
    x = 398,076,706.83

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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.