Home / 28,016,312,672.40-42,024,469,008.60-26,807,178,109.20

Finding the Fourth Proportional to 28,016,312,672.40, 42,024,469,008.60 and 26,807,178,109.20

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Solution

The fourth proportional to 28,016,312,672.40, 42,024,469,008.60 and 26,807,178,109.20 is: 40,210,767,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,312,672.40 : 42,024,469,008.60 = 26,807,178,109.20 : x
  2. Step 2: Convert to fraction form
    28,016,312,672.40/42,024,469,008.60 = 26,807,178,109.20/x
  3. Step 3: Cross multiply
    28,016,312,672.40x = 42,024,469,008.60 × 26,807,178,109.20
  4. Step 4: Simplify right side
    28,016,312,672.40x = 1,126,557,425,658,095,730,688
  5. Step 5: Solve for x
    x = 1,126,557,425,658,095,730,688/28,016,312,672.40
  6. Step 6: Final answer
    x = 40,210,767,163.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.