Home / 57,615,790,017.76-79,510,731,547.92-31,543,720,382.66

Finding the Fourth Proportional to 57,615,790,017.76, 79,510,731,547.92 and 31,543,720,382.66

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Solution

The fourth proportional to 57,615,790,017.76, 79,510,731,547.92 and 31,543,720,382.66 is: 43,530,849,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,615,790,017.76 : 79,510,731,547.92 = 31,543,720,382.66 : x
  2. Step 2: Convert to fraction form
    57,615,790,017.76/79,510,731,547.92 = 31,543,720,382.66/x
  3. Step 3: Cross multiply
    57,615,790,017.76x = 79,510,731,547.92 × 31,543,720,382.66
  4. Step 4: Simplify right side
    57,615,790,017.76x = 2,508,064,283,368,538,767,360
  5. Step 5: Solve for x
    x = 2,508,064,283,368,538,767,360/57,615,790,017.76
  6. Step 6: Final answer
    x = 43,530,849,487.54

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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.