Home / 31,076,835,695.65-42,886,591,801.38-18,225,744,467.59

Finding the Fourth Proportional to 31,076,835,695.65, 42,886,591,801.38 and 18,225,744,467.59

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Solution

The fourth proportional to 31,076,835,695.65, 42,886,591,801.38 and 18,225,744,467.59 is: 25,151,854,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,076,835,695.65 : 42,886,591,801.38 = 18,225,744,467.59 : x
  2. Step 2: Convert to fraction form
    31,076,835,695.65/42,886,591,801.38 = 18,225,744,467.59/x
  3. Step 3: Cross multiply
    31,076,835,695.65x = 42,886,591,801.38 × 18,225,744,467.59
  4. Step 4: Simplify right side
    31,076,835,695.65x = 781,640,063,257,486,557,184
  5. Step 5: Solve for x
    x = 781,640,063,257,486,557,184/31,076,835,695.65
  6. Step 6: Final answer
    x = 25,151,854,935.06

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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.