Home / 1,112,960,977,083.20-1,668,485,333,543.10-386,797,963,590.06

Finding the Fourth Proportional to 1,112,960,977,083.20, 1,668,485,333,543.10 and 386,797,963,590.06

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Solution

The fourth proportional to 1,112,960,977,083.20, 1,668,485,333,543.10 and 386,797,963,590.06 is: 579,864,651,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,960,977,083.20 : 1,668,485,333,543.10 = 386,797,963,590.06 : x
  2. Step 2: Convert to fraction form
    1,112,960,977,083.20/1,668,485,333,543.10 = 386,797,963,590.06/x
  3. Step 3: Cross multiply
    1,112,960,977,083.20x = 1,668,485,333,543.10 × 386,797,963,590.06
  4. Step 4: Simplify right side
    1,112,960,977,083.20x = 645,366,729,294,353,111,449,600
  5. Step 5: Solve for x
    x = 645,366,729,294,353,111,449,600/1,112,960,977,083.20
  6. Step 6: Final answer
    x = 579,864,651,666.14

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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.