Home / 478,944,136.80-718,416,205.20-155,828,008.80

Finding the Fourth Proportional to 478,944,136.80, 718,416,205.20 and 155,828,008.80

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Solution

The fourth proportional to 478,944,136.80, 718,416,205.20 and 155,828,008.80 is: 233,742,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,944,136.80 : 718,416,205.20 = 155,828,008.80 : x
  2. Step 2: Convert to fraction form
    478,944,136.80/718,416,205.20 = 155,828,008.80/x
  3. Step 3: Cross multiply
    478,944,136.80x = 718,416,205.20 × 155,828,008.80
  4. Step 4: Simplify right side
    478,944,136.80x = 111,949,366,745,968,224
  5. Step 5: Solve for x
    x = 111,949,366,745,968,224/478,944,136.80
  6. Step 6: Final answer
    x = 233,742,013.20

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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.