Home / 646,784,734,873.92-892,503,035,445.60-357,746,773,356.24

Finding the Fourth Proportional to 646,784,734,873.92, 892,503,035,445.60 and 357,746,773,356.24

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Solution

The fourth proportional to 646,784,734,873.92, 892,503,035,445.60 and 357,746,773,356.24 is: 493,657,416,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,784,734,873.92 : 892,503,035,445.60 = 357,746,773,356.24 : x
  2. Step 2: Convert to fraction form
    646,784,734,873.92/892,503,035,445.60 = 357,746,773,356.24/x
  3. Step 3: Cross multiply
    646,784,734,873.92x = 892,503,035,445.60 × 357,746,773,356.24
  4. Step 4: Simplify right side
    646,784,734,873.92x = 319,290,081,141,313,291,419,648
  5. Step 5: Solve for x
    x = 319,290,081,141,313,291,419,648/646,784,734,873.92
  6. Step 6: Final answer
    x = 493,657,416,332.74

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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.