Home / 20,662,618,150.27-28,512,594,346.51-11,506,455,110.70

Finding the Fourth Proportional to 20,662,618,150.27, 28,512,594,346.51 and 11,506,455,110.70

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Solution

The fourth proportional to 20,662,618,150.27, 28,512,594,346.51 and 11,506,455,110.70 is: 15,877,895,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662,618,150.27 : 28,512,594,346.51 = 11,506,455,110.70 : x
  2. Step 2: Convert to fraction form
    20,662,618,150.27/28,512,594,346.51 = 11,506,455,110.70/x
  3. Step 3: Cross multiply
    20,662,618,150.27x = 28,512,594,346.51 × 11,506,455,110.70
  4. Step 4: Simplify right side
    20,662,618,150.27x = 328,078,886,937,681,395,712
  5. Step 5: Solve for x
    x = 328,078,886,937,681,395,712/20,662,618,150.27
  6. Step 6: Final answer
    x = 15,877,895,267.28

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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.