Home / 1,030,155,308.80-1,545,921,779.04-440,083,446.79

Finding the Fourth Proportional to 1,030,155,308.80, 1,545,921,779.04 and 440,083,446.79

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Solution

The fourth proportional to 1,030,155,308.80, 1,545,921,779.04 and 440,083,446.79 is: 660,419,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,155,308.80 : 1,545,921,779.04 = 440,083,446.79 : x
  2. Step 2: Convert to fraction form
    1,030,155,308.80/1,545,921,779.04 = 440,083,446.79/x
  3. Step 3: Cross multiply
    1,030,155,308.80x = 1,545,921,779.04 × 440,083,446.79
  4. Step 4: Simplify right side
    1,030,155,308.80x = 680,334,584,987,651,968
  5. Step 5: Solve for x
    x = 680,334,584,987,651,968/1,030,155,308.80
  6. Step 6: Final answer
    x = 660,419,433.05

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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.