Home / 1,330,793,310.90-1,996,001,009.55-457,434,981.30

Finding the Fourth Proportional to 1,330,793,310.90, 1,996,001,009.55 and 457,434,981.30

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Solution

The fourth proportional to 1,330,793,310.90, 1,996,001,009.55 and 457,434,981.30 is: 686,087,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,793,310.90 : 1,996,001,009.55 = 457,434,981.30 : x
  2. Step 2: Convert to fraction form
    1,330,793,310.90/1,996,001,009.55 = 457,434,981.30/x
  3. Step 3: Cross multiply
    1,330,793,310.90x = 1,996,001,009.55 × 457,434,981.30
  4. Step 4: Simplify right side
    1,330,793,310.90x = 913,040,684,478,285,312
  5. Step 5: Solve for x
    x = 913,040,684,478,285,312/1,330,793,310.90
  6. Step 6: Final answer
    x = 686,087,521.63

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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.