Home / 512,370,488.07-707,071,607.15-277,421,307.71

Finding the Fourth Proportional to 512,370,488.07, 707,071,607.15 and 277,421,307.71

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Solution

The fourth proportional to 512,370,488.07, 707,071,607.15 and 277,421,307.71 is: 382,841,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,370,488.07 : 707,071,607.15 = 277,421,307.71 : x
  2. Step 2: Convert to fraction form
    512,370,488.07/707,071,607.15 = 277,421,307.71/x
  3. Step 3: Cross multiply
    512,370,488.07x = 707,071,607.15 × 277,421,307.71
  4. Step 4: Simplify right side
    512,370,488.07x = 196,156,729,900,164,352
  5. Step 5: Solve for x
    x = 196,156,729,900,164,352/512,370,488.07
  6. Step 6: Final answer
    x = 382,841,585.27

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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.