Home / 285,311,477,686.18-393,730,092,488.36-156,855,111,826.18

Finding the Fourth Proportional to 285,311,477,686.18, 393,730,092,488.36 and 156,855,111,826.18

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Solution

The fourth proportional to 285,311,477,686.18, 393,730,092,488.36 and 156,855,111,826.18 is: 216,460,193,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,311,477,686.18 : 393,730,092,488.36 = 156,855,111,826.18 : x
  2. Step 2: Convert to fraction form
    285,311,477,686.18/393,730,092,488.36 = 156,855,111,826.18/x
  3. Step 3: Cross multiply
    285,311,477,686.18x = 393,730,092,488.36 × 156,855,111,826.18
  4. Step 4: Simplify right side
    285,311,477,686.18x = 61,758,577,686,593,897,758,720
  5. Step 5: Solve for x
    x = 61,758,577,686,593,897,758,720/285,311,477,686.18
  6. Step 6: Final answer
    x = 216,460,193,566.15

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Double scale
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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.