Home / 338,288,547.60-507,480,060.60-144,198,421.20

Finding the Fourth Proportional to 338,288,547.60, 507,480,060.60 and 144,198,421.20

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Solution

The fourth proportional to 338,288,547.60, 507,480,060.60 and 144,198,421.20 is: 216,317,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,288,547.60 : 507,480,060.60 = 144,198,421.20 : x
  2. Step 2: Convert to fraction form
    338,288,547.60/507,480,060.60 = 144,198,421.20/x
  3. Step 3: Cross multiply
    338,288,547.60x = 507,480,060.60 × 144,198,421.20
  4. Step 4: Simplify right side
    338,288,547.60x = 73,177,823,529,000,320
  5. Step 5: Solve for x
    x = 73,177,823,529,000,320/338,288,547.60
  6. Step 6: Final answer
    x = 216,317,767.92

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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.