Home / 402,487,539.35-555,429,465.51-226,276,320.20

Finding the Fourth Proportional to 402,487,539.35, 555,429,465.51 and 226,276,320.20

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Solution

The fourth proportional to 402,487,539.35, 555,429,465.51 and 226,276,320.20 is: 312,259,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,487,539.35 : 555,429,465.51 = 226,276,320.20 : x
  2. Step 2: Convert to fraction form
    402,487,539.35/555,429,465.51 = 226,276,320.20/x
  3. Step 3: Cross multiply
    402,487,539.35x = 555,429,465.51 × 226,276,320.20
  4. Step 4: Simplify right side
    402,487,539.35x = 125,680,535,586,255,600
  5. Step 5: Solve for x
    x = 125,680,535,586,255,600/402,487,539.35
  6. Step 6: Final answer
    x = 312,259,444.82

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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.