Home / 1,008,426,031.04-1,391,629,252.92-556,293,802.88

Finding the Fourth Proportional to 1,008,426,031.04, 1,391,629,252.92 and 556,293,802.88

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Solution

The fourth proportional to 1,008,426,031.04, 1,391,629,252.92 and 556,293,802.88 is: 767,686,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,426,031.04 : 1,391,629,252.92 = 556,293,802.88 : x
  2. Step 2: Convert to fraction form
    1,008,426,031.04/1,391,629,252.92 = 556,293,802.88/x
  3. Step 3: Cross multiply
    1,008,426,031.04x = 1,391,629,252.92 × 556,293,802.88
  4. Step 4: Simplify right side
    1,008,426,031.04x = 774,154,729,305,920,128
  5. Step 5: Solve for x
    x = 774,154,729,305,920,128/1,008,426,031.04
  6. Step 6: Final answer
    x = 767,686,181.71

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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.