Home / 342,146,237.10-513,219,355.65-339,122,928.30

Finding the Fourth Proportional to 342,146,237.10, 513,219,355.65 and 339,122,928.30

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Solution

The fourth proportional to 342,146,237.10, 513,219,355.65 and 339,122,928.30 is: 508,684,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,146,237.10 : 513,219,355.65 = 339,122,928.30 : x
  2. Step 2: Convert to fraction form
    342,146,237.10/513,219,355.65 = 339,122,928.30/x
  3. Step 3: Cross multiply
    342,146,237.10x = 513,219,355.65 × 339,122,928.30
  4. Step 4: Simplify right side
    342,146,237.10x = 174,044,450,748,267,136
  5. Step 5: Solve for x
    x = 174,044,450,748,267,136/342,146,237.10
  6. Step 6: Final answer
    x = 508,684,392.45

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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.