Home / 933,124,807.90-1,399,687,211.85-319,505,095.90

Finding the Fourth Proportional to 933,124,807.90, 1,399,687,211.85 and 319,505,095.90

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Solution

The fourth proportional to 933,124,807.90, 1,399,687,211.85 and 319,505,095.90 is: 479,257,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,124,807.90 : 1,399,687,211.85 = 319,505,095.90 : x
  2. Step 2: Convert to fraction form
    933,124,807.90/1,399,687,211.85 = 319,505,095.90/x
  3. Step 3: Cross multiply
    933,124,807.90x = 1,399,687,211.85 × 319,505,095.90
  4. Step 4: Simplify right side
    933,124,807.90x = 447,207,196,852,137,792
  5. Step 5: Solve for x
    x = 447,207,196,852,137,792/933,124,807.90
  6. Step 6: Final answer
    x = 479,257,643.85

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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.