Home / 354,641,126.40-532,297,612.80-218,592,230.40

Finding the Fourth Proportional to 354,641,126.40, 532,297,612.80 and 218,592,230.40

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Solution

The fourth proportional to 354,641,126.40, 532,297,612.80 and 218,592,230.40 is: 328,095,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,641,126.40 : 532,297,612.80 = 218,592,230.40 : x
  2. Step 2: Convert to fraction form
    354,641,126.40/532,297,612.80 = 218,592,230.40/x
  3. Step 3: Cross multiply
    354,641,126.40x = 532,297,612.80 × 218,592,230.40
  4. Step 4: Simplify right side
    354,641,126.40x = 116,356,122,418,547,600
  5. Step 5: Solve for x
    x = 116,356,122,418,547,600/354,641,126.40
  6. Step 6: Final answer
    x = 328,095,400.55

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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.