Home / 1,419,739,920.24-1,958,905,189.08-824,670,870

Finding the Fourth Proportional to 1,419,739,920.24, 1,958,905,189.08 and 824,670,870

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Solution

The fourth proportional to 1,419,739,920.24, 1,958,905,189.08 and 824,670,870 is: 1,137,850,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,739,920.24 : 1,958,905,189.08 = 824,670,870 : x
  2. Step 2: Convert to fraction form
    1,419,739,920.24/1,958,905,189.08 = 824,670,870/x
  3. Step 3: Cross multiply
    1,419,739,920.24x = 1,958,905,189.08 × 824,670,870
  4. Step 4: Simplify right side
    1,419,739,920.24x = 1,615,452,046,526,118,144
  5. Step 5: Solve for x
    x = 1,615,452,046,526,118,144/1,419,739,920.24
  6. Step 6: Final answer
    x = 1,137,850,689.06

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Double scale
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1.5x scale

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.