Home / 448,547,426.10-672,947,110.35-218,524,014.90

Finding the Fourth Proportional to 448,547,426.10, 672,947,110.35 and 218,524,014.90

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Solution

The fourth proportional to 448,547,426.10, 672,947,110.35 and 218,524,014.90 is: 327,847,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,547,426.10 : 672,947,110.35 = 218,524,014.90 : x
  2. Step 2: Convert to fraction form
    448,547,426.10/672,947,110.35 = 218,524,014.90/x
  3. Step 3: Cross multiply
    448,547,426.10x = 672,947,110.35 × 218,524,014.90
  4. Step 4: Simplify right side
    448,547,426.10x = 147,055,104,369,035,360
  5. Step 5: Solve for x
    x = 147,055,104,369,035,360/448,547,426.10
  6. Step 6: Final answer
    x = 327,847,393.19

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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.