Home / 15,050,574,017.11-20,764,708,423.92-8,531,966,026.84

Finding the Fourth Proportional to 15,050,574,017.11, 20,764,708,423.92 and 8,531,966,026.84

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Solution

The fourth proportional to 15,050,574,017.11, 20,764,708,423.92 and 8,531,966,026.84 is: 11,771,231,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050,574,017.11 : 20,764,708,423.92 = 8,531,966,026.84 : x
  2. Step 2: Convert to fraction form
    15,050,574,017.11/20,764,708,423.92 = 8,531,966,026.84/x
  3. Step 3: Cross multiply
    15,050,574,017.11x = 20,764,708,423.92 × 8,531,966,026.84
  4. Step 4: Simplify right side
    15,050,574,017.11x = 177,163,786,830,123,794,432
  5. Step 5: Solve for x
    x = 177,163,786,830,123,794,432/15,050,574,017.11
  6. Step 6: Final answer
    x = 11,771,231,225.38

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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.