Home / 847,091,807.60-1,169,015,080.19-470,764,254.17

Finding the Fourth Proportional to 847,091,807.60, 1,169,015,080.19 and 470,764,254.17

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Solution

The fourth proportional to 847,091,807.60, 1,169,015,080.19 and 470,764,254.17 is: 649,670,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,091,807.60 : 1,169,015,080.19 = 470,764,254.17 : x
  2. Step 2: Convert to fraction form
    847,091,807.60/1,169,015,080.19 = 470,764,254.17/x
  3. Step 3: Cross multiply
    847,091,807.60x = 1,169,015,080.19 × 470,764,254.17
  4. Step 4: Simplify right side
    847,091,807.60x = 550,330,512,342,333,056
  5. Step 5: Solve for x
    x = 550,330,512,342,333,056/847,091,807.60
  6. Step 6: Final answer
    x = 649,670,445.88

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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.