Home / 822,312,068.85-1,233,468,103.28-699,868,062.45

Finding the Fourth Proportional to 822,312,068.85, 1,233,468,103.28 and 699,868,062.45

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Solution

The fourth proportional to 822,312,068.85, 1,233,468,103.28 and 699,868,062.45 is: 1,049,802,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,312,068.85 : 1,233,468,103.28 = 699,868,062.45 : x
  2. Step 2: Convert to fraction form
    822,312,068.85/1,233,468,103.28 = 699,868,062.45/x
  3. Step 3: Cross multiply
    822,312,068.85x = 1,233,468,103.28 × 699,868,062.45
  4. Step 4: Simplify right side
    822,312,068.85x = 863,264,931,532,950,912
  5. Step 5: Solve for x
    x = 863,264,931,532,950,912/822,312,068.85
  6. Step 6: Final answer
    x = 1,049,802,093.68

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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.