Home / 612,931,987.62-845,864,006.04-334,491,446.07

Finding the Fourth Proportional to 612,931,987.62, 845,864,006.04 and 334,491,446.07

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Solution

The fourth proportional to 612,931,987.62, 845,864,006.04 and 334,491,446.07 is: 461,607,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,987.62 : 845,864,006.04 = 334,491,446.07 : x
  2. Step 2: Convert to fraction form
    612,931,987.62/845,864,006.04 = 334,491,446.07/x
  3. Step 3: Cross multiply
    612,931,987.62x = 845,864,006.04 × 334,491,446.07
  4. Step 4: Simplify right side
    612,931,987.62x = 282,934,274,558,882,784
  5. Step 5: Solve for x
    x = 282,934,274,558,882,784/612,931,987.62
  6. Step 6: Final answer
    x = 461,607,943.91

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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.