Home / 578,330,715.20-868,167,919.20-348,559,246.40

Finding the Fourth Proportional to 578,330,715.20, 868,167,919.20 and 348,559,246.40

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Solution

The fourth proportional to 578,330,715.20, 868,167,919.20 and 348,559,246.40 is: 523,243,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,330,715.20 : 868,167,919.20 = 348,559,246.40 : x
  2. Step 2: Convert to fraction form
    578,330,715.20/868,167,919.20 = 348,559,246.40/x
  3. Step 3: Cross multiply
    578,330,715.20x = 868,167,919.20 × 348,559,246.40
  4. Step 4: Simplify right side
    578,330,715.20x = 302,607,955,665,008,064
  5. Step 5: Solve for x
    x = 302,607,955,665,008,064/578,330,715.20
  6. Step 6: Final answer
    x = 523,243,790.64

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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.