Home / 578,326,327.20-868,161,337.20-348,554,858.40

Finding the Fourth Proportional to 578,326,327.20, 868,161,337.20 and 348,554,858.40

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Solution

The fourth proportional to 578,326,327.20, 868,161,337.20 and 348,554,858.40 is: 523,237,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,326,327.20 : 868,161,337.20 = 348,554,858.40 : x
  2. Step 2: Convert to fraction form
    578,326,327.20/868,161,337.20 = 348,554,858.40/x
  3. Step 3: Cross multiply
    578,326,327.20x = 868,161,337.20 × 348,554,858.40
  4. Step 4: Simplify right side
    578,326,327.20x = 302,601,851,956,100,672
  5. Step 5: Solve for x
    x = 302,601,851,956,100,672/578,326,327.20
  6. Step 6: Final answer
    x = 523,237,206.62

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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.