Home / 1,000,148,675.15-1,500,279,699.77-310,154,024.27

Finding the Fourth Proportional to 1,000,148,675.15, 1,500,279,699.77 and 310,154,024.27

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Solution

The fourth proportional to 1,000,148,675.15, 1,500,279,699.77 and 310,154,024.27 is: 465,248,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,148,675.15 : 1,500,279,699.77 = 310,154,024.27 : x
  2. Step 2: Convert to fraction form
    1,000,148,675.15/1,500,279,699.77 = 310,154,024.27/x
  3. Step 3: Cross multiply
    1,000,148,675.15x = 1,500,279,699.77 × 310,154,024.27
  4. Step 4: Simplify right side
    1,000,148,675.15x = 465,317,786,414,252,864
  5. Step 5: Solve for x
    x = 465,317,786,414,252,864/1,000,148,675.15
  6. Step 6: Final answer
    x = 465,248,615.51

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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.