Home / 1,309,157,525.44-1,806,636,907.90-714,442,011.19

Finding the Fourth Proportional to 1,309,157,525.44, 1,806,636,907.90 and 714,442,011.19

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Solution

The fourth proportional to 1,309,157,525.44, 1,806,636,907.90 and 714,442,011.19 is: 985,929,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,157,525.44 : 1,806,636,907.90 = 714,442,011.19 : x
  2. Step 2: Convert to fraction form
    1,309,157,525.44/1,806,636,907.90 = 714,442,011.19/x
  3. Step 3: Cross multiply
    1,309,157,525.44x = 1,806,636,907.90 × 714,442,011.19
  4. Step 4: Simplify right side
    1,309,157,525.44x = 1,290,737,305,970,158,848
  5. Step 5: Solve for x
    x = 1,290,737,305,970,158,848/1,309,157,525.44
  6. Step 6: Final answer
    x = 985,929,715.02

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Double scale
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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.