Home / 646,784,734,875.30-892,503,035,447.55-357,746,773,357.65

Finding the Fourth Proportional to 646,784,734,875.30, 892,503,035,447.55 and 357,746,773,357.65

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Solution

The fourth proportional to 646,784,734,875.30, 892,503,035,447.55 and 357,746,773,357.65 is: 493,657,416,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,784,734,875.30 : 892,503,035,447.55 = 357,746,773,357.65 : x
  2. Step 2: Convert to fraction form
    646,784,734,875.30/892,503,035,447.55 = 357,746,773,357.65/x
  3. Step 3: Cross multiply
    646,784,734,875.30x = 892,503,035,447.55 × 357,746,773,357.65
  4. Step 4: Simplify right side
    646,784,734,875.30x = 319,290,081,143,269,380,587,520
  5. Step 5: Solve for x
    x = 319,290,081,143,269,380,587,520/646,784,734,875.30
  6. Step 6: Final answer
    x = 493,657,416,334.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.