Home / 1,020,310,686.18-1,530,708,884.55-330,217,941.06

Finding the Fourth Proportional to 1,020,310,686.18, 1,530,708,884.55 and 330,217,941.06

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Solution

The fourth proportional to 1,020,310,686.18, 1,530,708,884.55 and 330,217,941.06 is: 495,405,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,310,686.18 : 1,530,708,884.55 = 330,217,941.06 : x
  2. Step 2: Convert to fraction form
    1,020,310,686.18/1,530,708,884.55 = 330,217,941.06/x
  3. Step 3: Cross multiply
    1,020,310,686.18x = 1,530,708,884.55 × 330,217,941.06
  4. Step 4: Simplify right side
    1,020,310,686.18x = 505,467,536,218,350,208
  5. Step 5: Solve for x
    x = 505,467,536,218,350,208/1,020,310,686.18
  6. Step 6: Final answer
    x = 495,405,510.37

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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.