Home / 1,565,213,497.01-2,159,981,893.59-860,357,984.30

Finding the Fourth Proportional to 1,565,213,497.01, 2,159,981,893.59 and 860,357,984.30

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Solution

The fourth proportional to 1,565,213,497.01, 2,159,981,893.59 and 860,357,984.30 is: 1,187,287,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,213,497.01 : 2,159,981,893.59 = 860,357,984.30 : x
  2. Step 2: Convert to fraction form
    1,565,213,497.01/2,159,981,893.59 = 860,357,984.30/x
  3. Step 3: Cross multiply
    1,565,213,497.01x = 2,159,981,893.59 × 860,357,984.30
  4. Step 4: Simplify right side
    1,565,213,497.01x = 1,858,357,668,093,589,504
  5. Step 5: Solve for x
    x = 1,858,357,668,093,589,504/1,565,213,497.01
  6. Step 6: Final answer
    x = 1,187,287,019.72

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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.