Home / 841,658,086.80-1,262,487,130.20-259,340,468.40

Finding the Fourth Proportional to 841,658,086.80, 1,262,487,130.20 and 259,340,468.40

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Solution

The fourth proportional to 841,658,086.80, 1,262,487,130.20 and 259,340,468.40 is: 389,010,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,658,086.80 : 1,262,487,130.20 = 259,340,468.40 : x
  2. Step 2: Convert to fraction form
    841,658,086.80/1,262,487,130.20 = 259,340,468.40/x
  3. Step 3: Cross multiply
    841,658,086.80x = 1,262,487,130.20 × 259,340,468.40
  4. Step 4: Simplify right side
    841,658,086.80x = 327,414,003,695,039,808
  5. Step 5: Solve for x
    x = 327,414,003,695,039,808/841,658,086.80
  6. Step 6: Final answer
    x = 389,010,702.60

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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.