Home / 1,365,406,919.82-1,884,266,508.96-738,875,279.70

Finding the Fourth Proportional to 1,365,406,919.82, 1,884,266,508.96 and 738,875,279.70

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Solution

The fourth proportional to 1,365,406,919.82, 1,884,266,508.96 and 738,875,279.70 is: 1,019,650,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,406,919.82 : 1,884,266,508.96 = 738,875,279.70 : x
  2. Step 2: Convert to fraction form
    1,365,406,919.82/1,884,266,508.96 = 738,875,279.70/x
  3. Step 3: Cross multiply
    1,365,406,919.82x = 1,884,266,508.96 × 738,875,279.70
  4. Step 4: Simplify right side
    1,365,406,919.82x = 1,392,237,943,837,162,752
  5. Step 5: Solve for x
    x = 1,392,237,943,837,162,752/1,365,406,919.82
  6. Step 6: Final answer
    x = 1,019,650,569.82

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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.