Home / 388,475,938.26-583,128,726.62-167,256,831.38

Finding the Fourth Proportional to 388,475,938.26, 583,128,726.62 and 167,256,831.38

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Solution

The fourth proportional to 388,475,938.26, 583,128,726.62 and 167,256,831.38 is: 251,063,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,475,938.26 : 583,128,726.62 = 167,256,831.38 : x
  2. Step 2: Convert to fraction form
    388,475,938.26/583,128,726.62 = 167,256,831.38/x
  3. Step 3: Cross multiply
    388,475,938.26x = 583,128,726.62 × 167,256,831.38
  4. Step 4: Simplify right side
    388,475,938.26x = 97,532,263,097,363,536
  5. Step 5: Solve for x
    x = 97,532,263,097,363,536/388,475,938.26
  6. Step 6: Final answer
    x = 251,063,845.90

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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.