Home / 385,723,275.15-532,302,422.28-226,988,482.35

Finding the Fourth Proportional to 385,723,275.15, 532,302,422.28 and 226,988,482.35

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Solution

The fourth proportional to 385,723,275.15, 532,302,422.28 and 226,988,482.35 is: 313,246,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,723,275.15 : 532,302,422.28 = 226,988,482.35 : x
  2. Step 2: Convert to fraction form
    385,723,275.15/532,302,422.28 = 226,988,482.35/x
  3. Step 3: Cross multiply
    385,723,275.15x = 532,302,422.28 × 226,988,482.35
  4. Step 4: Simplify right side
    385,723,275.15x = 120,826,518,984,566,016
  5. Step 5: Solve for x
    x = 120,826,518,984,566,016/385,723,275.15
  6. Step 6: Final answer
    x = 313,246,637.60

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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.