Home / 842,856,345.89-1,264,720,451.15-611,593,723.77

Finding the Fourth Proportional to 842,856,345.89, 1,264,720,451.15 and 611,593,723.77

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Solution

The fourth proportional to 842,856,345.89, 1,264,720,451.15 and 611,593,723.77 is: 917,706,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,856,345.89 : 1,264,720,451.15 = 611,593,723.77 : x
  2. Step 2: Convert to fraction form
    842,856,345.89/1,264,720,451.15 = 611,593,723.77/x
  3. Step 3: Cross multiply
    842,856,345.89x = 1,264,720,451.15 × 611,593,723.77
  4. Step 4: Simplify right side
    842,856,345.89x = 773,495,090,243,689,088
  5. Step 5: Solve for x
    x = 773,495,090,243,689,088/842,856,345.89
  6. Step 6: Final answer
    x = 917,706,907.02

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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.