Home / 2,127,472,041.48-3,188,669,159.32-990,178,354.27

Finding the Fourth Proportional to 2,127,472,041.48, 3,188,669,159.32 and 990,178,354.27

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Solution

The fourth proportional to 2,127,472,041.48, 3,188,669,159.32 and 990,178,354.27 is: 1,484,085,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,472,041.48 : 3,188,669,159.32 = 990,178,354.27 : x
  2. Step 2: Convert to fraction form
    2,127,472,041.48/3,188,669,159.32 = 990,178,354.27/x
  3. Step 3: Cross multiply
    2,127,472,041.48x = 3,188,669,159.32 × 990,178,354.27
  4. Step 4: Simplify right side
    2,127,472,041.48x = 3,157,351,180,488,492,544
  5. Step 5: Solve for x
    x = 3,157,351,180,488,492,544/2,127,472,041.48
  6. Step 6: Final answer
    x = 1,484,085,862.91

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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.