Home / 388,476,117.60-583,128,995.58-167,257,010.82

Finding the Fourth Proportional to 388,476,117.60, 583,128,995.58 and 167,257,010.82

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Solution

The fourth proportional to 388,476,117.60, 583,128,995.58 and 167,257,010.82 is: 251,064,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,476,117.60 : 583,128,995.58 = 167,257,010.82 : x
  2. Step 2: Convert to fraction form
    388,476,117.60/583,128,995.58 = 167,257,010.82/x
  3. Step 3: Cross multiply
    388,476,117.60x = 583,128,995.58 × 167,257,010.82
  4. Step 4: Simplify right side
    388,476,117.60x = 97,532,412,723,179,792
  5. Step 5: Solve for x
    x = 97,532,412,723,179,792/388,476,117.60
  6. Step 6: Final answer
    x = 251,064,115.15

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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.