Home / 319,303,077.40-478,954,616.10-284,865,700.60

Finding the Fourth Proportional to 319,303,077.40, 478,954,616.10 and 284,865,700.60

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Solution

The fourth proportional to 319,303,077.40, 478,954,616.10 and 284,865,700.60 is: 427,298,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,303,077.40 : 478,954,616.10 = 284,865,700.60 : x
  2. Step 2: Convert to fraction form
    319,303,077.40/478,954,616.10 = 284,865,700.60/x
  3. Step 3: Cross multiply
    319,303,077.40x = 478,954,616.10 × 284,865,700.60
  4. Step 4: Simplify right side
    319,303,077.40x = 136,437,742,270,930,560
  5. Step 5: Solve for x
    x = 136,437,742,270,930,560/319,303,077.40
  6. Step 6: Final answer
    x = 427,298,550.90

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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.