Home / 845,694,396.39-1,166,796,717.98-493,020,753.51

Finding the Fourth Proportional to 845,694,396.39, 1,166,796,717.98 and 493,020,753.51

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Solution

The fourth proportional to 845,694,396.39, 1,166,796,717.98 and 493,020,753.51 is: 680,216,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,694,396.39 : 1,166,796,717.98 = 493,020,753.51 : x
  2. Step 2: Convert to fraction form
    845,694,396.39/1,166,796,717.98 = 493,020,753.51/x
  3. Step 3: Cross multiply
    845,694,396.39x = 1,166,796,717.98 × 493,020,753.51
  4. Step 4: Simplify right side
    845,694,396.39x = 575,254,997,089,029,376
  5. Step 5: Solve for x
    x = 575,254,997,089,029,376/845,694,396.39
  6. Step 6: Final answer
    x = 680,216,162.65

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1.5x scale

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.