Home / 29,502,095,432.68-40,687,161,951.90-20,911,530,389.32

Finding the Fourth Proportional to 29,502,095,432.68, 40,687,161,951.90 and 20,911,530,389.32

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Solution

The fourth proportional to 29,502,095,432.68, 40,687,161,951.90 and 20,911,530,389.32 is: 28,839,674,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,502,095,432.68 : 40,687,161,951.90 = 20,911,530,389.32 : x
  2. Step 2: Convert to fraction form
    29,502,095,432.68/40,687,161,951.90 = 20,911,530,389.32/x
  3. Step 3: Cross multiply
    29,502,095,432.68x = 40,687,161,951.90 × 20,911,530,389.32
  4. Step 4: Simplify right side
    29,502,095,432.68x = 850,830,823,612,341,288,960
  5. Step 5: Solve for x
    x = 850,830,823,612,341,288,960/29,502,095,432.68
  6. Step 6: Final answer
    x = 28,839,674,305.64

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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.