Home / 1,309,698,853.85-1,808,032,577.65-808,183,874.30

Finding the Fourth Proportional to 1,309,698,853.85, 1,808,032,577.65 and 808,183,874.30

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Solution

The fourth proportional to 1,309,698,853.85, 1,808,032,577.65 and 808,183,874.30 is: 1,115,693,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,698,853.85 : 1,808,032,577.65 = 808,183,874.30 : x
  2. Step 2: Convert to fraction form
    1,309,698,853.85/1,808,032,577.65 = 808,183,874.30/x
  3. Step 3: Cross multiply
    1,309,698,853.85x = 1,808,032,577.65 × 808,183,874.30
  4. Step 4: Simplify right side
    1,309,698,853.85x = 1,461,222,773,454,732,032
  5. Step 5: Solve for x
    x = 1,461,222,773,454,732,032/1,309,698,853.85
  6. Step 6: Final answer
    x = 1,115,693,710.17

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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.