Home / 319,869,023.65-479,803,535.48-268,212,958.45

Finding the Fourth Proportional to 319,869,023.65, 479,803,535.48 and 268,212,958.45

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Solution

The fourth proportional to 319,869,023.65, 479,803,535.48 and 268,212,958.45 is: 402,319,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,869,023.65 : 479,803,535.48 = 268,212,958.45 : x
  2. Step 2: Convert to fraction form
    319,869,023.65/479,803,535.48 = 268,212,958.45/x
  3. Step 3: Cross multiply
    319,869,023.65x = 479,803,535.48 × 268,212,958.45
  4. Step 4: Simplify right side
    319,869,023.65x = 128,689,525,724,519,280
  5. Step 5: Solve for x
    x = 128,689,525,724,519,280/319,869,023.65
  6. Step 6: Final answer
    x = 402,319,437.68

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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.