Home / 354,640,987.40-532,297,404.30-218,592,091.40

Finding the Fourth Proportional to 354,640,987.40, 532,297,404.30 and 218,592,091.40

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Solution

The fourth proportional to 354,640,987.40, 532,297,404.30 and 218,592,091.40 is: 328,095,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,640,987.40 : 532,297,404.30 = 218,592,091.40 : x
  2. Step 2: Convert to fraction form
    354,640,987.40/532,297,404.30 = 218,592,091.40/x
  3. Step 3: Cross multiply
    354,640,987.40x = 532,297,404.30 × 218,592,091.40
  4. Step 4: Simplify right side
    354,640,987.40x = 116,356,002,852,728,352
  5. Step 5: Solve for x
    x = 116,356,002,852,728,352/354,640,987.40
  6. Step 6: Final answer
    x = 328,095,192.00

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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.