Home / 1,314,165,655.70-1,971,248,483.55-344,915,249.30

Finding the Fourth Proportional to 1,314,165,655.70, 1,971,248,483.55 and 344,915,249.30

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Solution

The fourth proportional to 1,314,165,655.70, 1,971,248,483.55 and 344,915,249.30 is: 517,372,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,165,655.70 : 1,971,248,483.55 = 344,915,249.30 : x
  2. Step 2: Convert to fraction form
    1,314,165,655.70/1,971,248,483.55 = 344,915,249.30/x
  3. Step 3: Cross multiply
    1,314,165,655.70x = 1,971,248,483.55 × 344,915,249.30
  4. Step 4: Simplify right side
    1,314,165,655.70x = 679,913,662,135,895,168
  5. Step 5: Solve for x
    x = 679,913,662,135,895,168/1,314,165,655.70
  6. Step 6: Final answer
    x = 517,372,873.95

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Double scale
Find fourth proportional to 1,314,165,656.70, 1,971,248,485.05 and 344,915,250.30
Similar ratio
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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.