Home / 822,073,251.40-1,233,109,877.10-208,657,477.16

Finding the Fourth Proportional to 822,073,251.40, 1,233,109,877.10 and 208,657,477.16

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Solution

The fourth proportional to 822,073,251.40, 1,233,109,877.10 and 208,657,477.16 is: 312,986,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,073,251.40 : 1,233,109,877.10 = 208,657,477.16 : x
  2. Step 2: Convert to fraction form
    822,073,251.40/1,233,109,877.10 = 208,657,477.16/x
  3. Step 3: Cross multiply
    822,073,251.40x = 1,233,109,877.10 × 208,657,477.16
  4. Step 4: Simplify right side
    822,073,251.40x = 257,297,596,016,763,648
  5. Step 5: Solve for x
    x = 257,297,596,016,763,648/822,073,251.40
  6. Step 6: Final answer
    x = 312,986,215.74

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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.