Home / 15,781,029,929.17-23,668,585,445.35-7,918,331,106.13

Finding the Fourth Proportional to 15,781,029,929.17, 23,668,585,445.35 and 7,918,331,106.13

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Solution

The fourth proportional to 15,781,029,929.17, 23,668,585,445.35 and 7,918,331,106.13 is: 11,876,011,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,029,929.17 : 23,668,585,445.35 = 7,918,331,106.13 : x
  2. Step 2: Convert to fraction form
    15,781,029,929.17/23,668,585,445.35 = 7,918,331,106.13/x
  3. Step 3: Cross multiply
    15,781,029,929.17x = 23,668,585,445.35 × 7,918,331,106.13
  4. Step 4: Simplify right side
    15,781,029,929.17x = 187,415,696,370,010,685,440
  5. Step 5: Solve for x
    x = 187,415,696,370,010,685,440/15,781,029,929.17
  6. Step 6: Final answer
    x = 11,876,011,718.58

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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.