Home / 1,165,922,565.88-1,749,190,461.90-419,013,733.72

Finding the Fourth Proportional to 1,165,922,565.88, 1,749,190,461.90 and 419,013,733.72

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Solution

The fourth proportional to 1,165,922,565.88, 1,749,190,461.90 and 419,013,733.72 is: 628,630,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,922,565.88 : 1,749,190,461.90 = 419,013,733.72 : x
  2. Step 2: Convert to fraction form
    1,165,922,565.88/1,749,190,461.90 = 419,013,733.72/x
  3. Step 3: Cross multiply
    1,165,922,565.88x = 1,749,190,461.90 × 419,013,733.72
  4. Step 4: Simplify right side
    1,165,922,565.88x = 732,934,826,428,130,432
  5. Step 5: Solve for x
    x = 732,934,826,428,130,432/1,165,922,565.88
  6. Step 6: Final answer
    x = 628,630,792.37

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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.