Home / 295,247,085.40-442,870,628.10-218,719,581.40

Finding the Fourth Proportional to 295,247,085.40, 442,870,628.10 and 218,719,581.40

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Solution

The fourth proportional to 295,247,085.40, 442,870,628.10 and 218,719,581.40 is: 328,079,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,247,085.40 : 442,870,628.10 = 218,719,581.40 : x
  2. Step 2: Convert to fraction form
    295,247,085.40/442,870,628.10 = 218,719,581.40/x
  3. Step 3: Cross multiply
    295,247,085.40x = 442,870,628.10 × 218,719,581.40
  4. Step 4: Simplify right side
    295,247,085.40x = 96,864,478,392,387,088
  5. Step 5: Solve for x
    x = 96,864,478,392,387,088/295,247,085.40
  6. Step 6: Final answer
    x = 328,079,372.10

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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.