Home / 31,785,112,139.60-47,676,083,302.20-11,886,536,643.92

Finding the Fourth Proportional to 31,785,112,139.60, 47,676,083,302.20 and 11,886,536,643.92

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Solution

The fourth proportional to 31,785,112,139.60, 47,676,083,302.20 and 11,886,536,643.92 is: 17,829,212,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785,112,139.60 : 47,676,083,302.20 = 11,886,536,643.92 : x
  2. Step 2: Convert to fraction form
    31,785,112,139.60/47,676,083,302.20 = 11,886,536,643.92/x
  3. Step 3: Cross multiply
    31,785,112,139.60x = 47,676,083,302.20 × 11,886,536,643.92
  4. Step 4: Simplify right side
    31,785,112,139.60x = 566,703,511,210,182,705,152
  5. Step 5: Solve for x
    x = 566,703,511,210,182,705,152/31,785,112,139.60
  6. Step 6: Final answer
    x = 17,829,212,265.20

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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.