Home / 386,606,002.58-533,628,706.52-252,664,068.18

Finding the Fourth Proportional to 386,606,002.58, 533,628,706.52 and 252,664,068.18

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Solution

The fourth proportional to 386,606,002.58, 533,628,706.52 and 252,664,068.18 is: 348,749,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,606,002.58 : 533,628,706.52 = 252,664,068.18 : x
  2. Step 2: Convert to fraction form
    386,606,002.58/533,628,706.52 = 252,664,068.18/x
  3. Step 3: Cross multiply
    386,606,002.58x = 533,628,706.52 × 252,664,068.18
  4. Step 4: Simplify right side
    386,606,002.58x = 134,828,799,884,306,352
  5. Step 5: Solve for x
    x = 134,828,799,884,306,352/386,606,002.58
  6. Step 6: Final answer
    x = 348,749,887.44

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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.