Home / 260,726,751.60-391,090,127.40-218,636,624.40

Finding the Fourth Proportional to 260,726,751.60, 391,090,127.40 and 218,636,624.40

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Solution

The fourth proportional to 260,726,751.60, 391,090,127.40 and 218,636,624.40 is: 327,954,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,726,751.60 : 391,090,127.40 = 218,636,624.40 : x
  2. Step 2: Convert to fraction form
    260,726,751.60/391,090,127.40 = 218,636,624.40/x
  3. Step 3: Cross multiply
    260,726,751.60x = 391,090,127.40 × 218,636,624.40
  4. Step 4: Simplify right side
    260,726,751.60x = 85,506,625,290,901,952
  5. Step 5: Solve for x
    x = 85,506,625,290,901,952/260,726,751.60
  6. Step 6: Final answer
    x = 327,954,936.60

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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.