Home / 797,411,951.52-1,196,112,908.10-429,120,386.10

Finding the Fourth Proportional to 797,411,951.52, 1,196,112,908.10 and 429,120,386.10

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Solution

The fourth proportional to 797,411,951.52, 1,196,112,908.10 and 429,120,386.10 is: 643,677,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,411,951.52 : 1,196,112,908.10 = 429,120,386.10 : x
  2. Step 2: Convert to fraction form
    797,411,951.52/1,196,112,908.10 = 429,120,386.10/x
  3. Step 3: Cross multiply
    797,411,951.52x = 1,196,112,908.10 × 429,120,386.10
  4. Step 4: Simplify right side
    797,411,951.52x = 513,276,432,943,065,792
  5. Step 5: Solve for x
    x = 513,276,432,943,065,792/797,411,951.52
  6. Step 6: Final answer
    x = 643,677,878.12

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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.