Home / 3,139,793,242.72-4,332,719,413.20-1,730,018,312.80

Finding the Fourth Proportional to 3,139,793,242.72, 4,332,719,413.20 and 1,730,018,312.80

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Solution

The fourth proportional to 3,139,793,242.72, 4,332,719,413.20 and 1,730,018,312.80 is: 2,387,317,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,793,242.72 : 4,332,719,413.20 = 1,730,018,312.80 : x
  2. Step 2: Convert to fraction form
    3,139,793,242.72/4,332,719,413.20 = 1,730,018,312.80/x
  3. Step 3: Cross multiply
    3,139,793,242.72x = 4,332,719,413.20 × 1,730,018,312.80
  4. Step 4: Simplify right side
    3,139,793,242.72x = 7,495,683,929,060,069,376
  5. Step 5: Solve for x
    x = 7,495,683,929,060,069,376/3,139,793,242.72
  6. Step 6: Final answer
    x = 2,387,317,682.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.