Home / 1,080,159,886-1,490,860,443.06-656,683,564.04

Finding the Fourth Proportional to 1,080,159,886, 1,490,860,443.06 and 656,683,564.04

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Solution

The fourth proportional to 1,080,159,886, 1,490,860,443.06 and 656,683,564.04 is: 906,369,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,159,886 : 1,490,860,443.06 = 656,683,564.04 : x
  2. Step 2: Convert to fraction form
    1,080,159,886/1,490,860,443.06 = 656,683,564.04/x
  3. Step 3: Cross multiply
    1,080,159,886x = 1,490,860,443.06 × 656,683,564.04
  4. Step 4: Simplify right side
    1,080,159,886x = 979,023,549,234,894,208
  5. Step 5: Solve for x
    x = 979,023,549,234,894,208/1,080,159,886
  6. Step 6: Final answer
    x = 906,369,105.10

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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.