Home / 939,661,044.08-1,409,482,590.31-571,297,697.65

Finding the Fourth Proportional to 939,661,044.08, 1,409,482,590.31 and 571,297,697.65

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Solution

The fourth proportional to 939,661,044.08, 1,409,482,590.31 and 571,297,697.65 is: 856,941,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,661,044.08 : 1,409,482,590.31 = 571,297,697.65 : x
  2. Step 2: Convert to fraction form
    939,661,044.08/1,409,482,590.31 = 571,297,697.65/x
  3. Step 3: Cross multiply
    939,661,044.08x = 1,409,482,590.31 × 571,297,697.65
  4. Step 4: Simplify right side
    939,661,044.08x = 805,234,158,714,859,008
  5. Step 5: Solve for x
    x = 805,234,158,714,859,008/939,661,044.08
  6. Step 6: Final answer
    x = 856,941,089.33

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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.