Home / 389,704,141.71-537,791,670.95-233,071,223.58

Finding the Fourth Proportional to 389,704,141.71, 537,791,670.95 and 233,071,223.58

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Solution

The fourth proportional to 389,704,141.71, 537,791,670.95 and 233,071,223.58 is: 321,638,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,704,141.71 : 537,791,670.95 = 233,071,223.58 : x
  2. Step 2: Convert to fraction form
    389,704,141.71/537,791,670.95 = 233,071,223.58/x
  3. Step 3: Cross multiply
    389,704,141.71x = 537,791,670.95 × 233,071,223.58
  4. Step 4: Simplify right side
    389,704,141.71x = 125,343,762,778,283,904
  5. Step 5: Solve for x
    x = 125,343,762,778,283,904/389,704,141.71
  6. Step 6: Final answer
    x = 321,638,261.86

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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.