Home / 822,073,674.15-1,233,110,511.23-208,657,899.90

Finding the Fourth Proportional to 822,073,674.15, 1,233,110,511.23 and 208,657,899.90

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Solution

The fourth proportional to 822,073,674.15, 1,233,110,511.23 and 208,657,899.90 is: 312,986,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,073,674.15 : 1,233,110,511.23 = 208,657,899.90 : x
  2. Step 2: Convert to fraction form
    822,073,674.15/1,233,110,511.23 = 208,657,899.90/x
  3. Step 3: Cross multiply
    822,073,674.15x = 1,233,110,511.23 × 208,657,899.90
  4. Step 4: Simplify right side
    822,073,674.15x = 257,298,249,616,823,872
  5. Step 5: Solve for x
    x = 257,298,249,616,823,872/822,073,674.15
  6. Step 6: Final answer
    x = 312,986,849.85

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1.5x scale

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.