Home / 1,330,793,314.90-1,996,001,015.55-457,434,985.30

Finding the Fourth Proportional to 1,330,793,314.90, 1,996,001,015.55 and 457,434,985.30

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Solution

The fourth proportional to 1,330,793,314.90, 1,996,001,015.55 and 457,434,985.30 is: 686,087,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,793,314.90 : 1,996,001,015.55 = 457,434,985.30 : x
  2. Step 2: Convert to fraction form
    1,330,793,314.90/1,996,001,015.55 = 457,434,985.30/x
  3. Step 3: Cross multiply
    1,330,793,314.90x = 1,996,001,015.55 × 457,434,985.30
  4. Step 4: Simplify right side
    1,330,793,314.90x = 913,040,695,206,899,328
  5. Step 5: Solve for x
    x = 913,040,695,206,899,328/1,330,793,314.90
  6. Step 6: Final answer
    x = 686,087,527.63

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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.