Home / 1,087,693,140.44-1,630,377,947.04-620,348,386.52

Finding the Fourth Proportional to 1,087,693,140.44, 1,630,377,947.04 and 620,348,386.52

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Solution

The fourth proportional to 1,087,693,140.44, 1,630,377,947.04 and 620,348,386.52 is: 929,859,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,693,140.44 : 1,630,377,947.04 = 620,348,386.52 : x
  2. Step 2: Convert to fraction form
    1,087,693,140.44/1,630,377,947.04 = 620,348,386.52/x
  3. Step 3: Cross multiply
    1,087,693,140.44x = 1,630,377,947.04 × 620,348,386.52
  4. Step 4: Simplify right side
    1,087,693,140.44x = 1,011,402,328,864,054,016
  5. Step 5: Solve for x
    x = 1,011,402,328,864,054,016/1,087,693,140.44
  6. Step 6: Final answer
    x = 929,859,986.48

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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.