Home / 8,915,680,640.70-12,302,907,953.22-5,248,775,007.18

Finding the Fourth Proportional to 8,915,680,640.70, 12,302,907,953.22 and 5,248,775,007.18

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Solution

The fourth proportional to 8,915,680,640.70, 12,302,907,953.22 and 5,248,775,007.18 is: 7,242,878,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915,680,640.70 : 12,302,907,953.22 = 5,248,775,007.18 : x
  2. Step 2: Convert to fraction form
    8,915,680,640.70/12,302,907,953.22 = 5,248,775,007.18/x
  3. Step 3: Cross multiply
    8,915,680,640.70x = 12,302,907,953.22 × 5,248,775,007.18
  4. Step 4: Simplify right side
    8,915,680,640.70x = 64,575,195,780,497,186,816
  5. Step 5: Solve for x
    x = 64,575,195,780,497,186,816/8,915,680,640.70
  6. Step 6: Final answer
    x = 7,242,878,966.04

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1.5x scale

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.