Home / 262,020,115,363.20-393,030,173,044.80-218,484,468,643.20

Finding the Fourth Proportional to 262,020,115,363.20, 393,030,173,044.80 and 218,484,468,643.20

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Solution

The fourth proportional to 262,020,115,363.20, 393,030,173,044.80 and 218,484,468,643.20 is: 327,726,702,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,020,115,363.20 : 393,030,173,044.80 = 218,484,468,643.20 : x
  2. Step 2: Convert to fraction form
    262,020,115,363.20/393,030,173,044.80 = 218,484,468,643.20/x
  3. Step 3: Cross multiply
    262,020,115,363.20x = 393,030,173,044.80 × 218,484,468,643.20
  4. Step 4: Simplify right side
    262,020,115,363.20x = 85,870,988,518,438,085,853,184
  5. Step 5: Solve for x
    x = 85,870,988,518,438,085,853,184/262,020,115,363.20
  6. Step 6: Final answer
    x = 327,726,702,964.80

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1.5x scale

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.