Home / 841,657,320.30-1,262,485,980.45-259,339,701.90

Finding the Fourth Proportional to 841,657,320.30, 1,262,485,980.45 and 259,339,701.90

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Solution

The fourth proportional to 841,657,320.30, 1,262,485,980.45 and 259,339,701.90 is: 389,009,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,657,320.30 : 1,262,485,980.45 = 259,339,701.90 : x
  2. Step 2: Convert to fraction form
    841,657,320.30/1,262,485,980.45 = 259,339,701.90/x
  3. Step 3: Cross multiply
    841,657,320.30x = 1,262,485,980.45 × 259,339,701.90
  4. Step 4: Simplify right side
    841,657,320.30x = 327,412,737,822,832,256
  5. Step 5: Solve for x
    x = 327,412,737,822,832,256/841,657,320.30
  6. Step 6: Final answer
    x = 389,009,552.85

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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.