Home / 819,376,225.70-1,229,064,338.55-805,771,336.10

Finding the Fourth Proportional to 819,376,225.70, 1,229,064,338.55 and 805,771,336.10

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Solution

The fourth proportional to 819,376,225.70, 1,229,064,338.55 and 805,771,336.10 is: 1,208,657,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,376,225.70 : 1,229,064,338.55 = 805,771,336.10 : x
  2. Step 2: Convert to fraction form
    819,376,225.70/1,229,064,338.55 = 805,771,336.10/x
  3. Step 3: Cross multiply
    819,376,225.70x = 1,229,064,338.55 × 805,771,336.10
  4. Step 4: Simplify right side
    819,376,225.70x = 990,344,814,226,296,192
  5. Step 5: Solve for x
    x = 990,344,814,226,296,192/819,376,225.70
  6. Step 6: Final answer
    x = 1,208,657,004.15

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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.