Home / 349,287,136.60-523,930,704.90-310,320,045.40

Finding the Fourth Proportional to 349,287,136.60, 523,930,704.90 and 310,320,045.40

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Solution

The fourth proportional to 349,287,136.60, 523,930,704.90 and 310,320,045.40 is: 465,480,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,287,136.60 : 523,930,704.90 = 310,320,045.40 : x
  2. Step 2: Convert to fraction form
    349,287,136.60/523,930,704.90 = 310,320,045.40/x
  3. Step 3: Cross multiply
    349,287,136.60x = 523,930,704.90 × 310,320,045.40
  4. Step 4: Simplify right side
    349,287,136.60x = 162,586,200,131,021,984
  5. Step 5: Solve for x
    x = 162,586,200,131,021,984/349,287,136.60
  6. Step 6: Final answer
    x = 465,480,068.10

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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.