Home / 1,201,214,319.80-1,801,821,479.70-943,225,302.20

Finding the Fourth Proportional to 1,201,214,319.80, 1,801,821,479.70 and 943,225,302.20

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Solution

The fourth proportional to 1,201,214,319.80, 1,801,821,479.70 and 943,225,302.20 is: 1,414,837,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,214,319.80 : 1,801,821,479.70 = 943,225,302.20 : x
  2. Step 2: Convert to fraction form
    1,201,214,319.80/1,801,821,479.70 = 943,225,302.20/x
  3. Step 3: Cross multiply
    1,201,214,319.80x = 1,801,821,479.70 × 943,225,302.20
  4. Step 4: Simplify right side
    1,201,214,319.80x = 1,699,523,609,700,483,840
  5. Step 5: Solve for x
    x = 1,699,523,609,700,483,840/1,201,214,319.80
  6. Step 6: Final answer
    x = 1,414,837,953.30

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Double scale
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1.5x scale

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.