Home / 438,710,547.79-658,065,781.74-193,067,182.56

Finding the Fourth Proportional to 438,710,547.79, 658,065,781.74 and 193,067,182.56

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Solution

The fourth proportional to 438,710,547.79, 658,065,781.74 and 193,067,182.56 is: 289,600,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,710,547.79 : 658,065,781.74 = 193,067,182.56 : x
  2. Step 2: Convert to fraction form
    438,710,547.79/658,065,781.74 = 193,067,182.56/x
  3. Step 3: Cross multiply
    438,710,547.79x = 658,065,781.74 × 193,067,182.56
  4. Step 4: Simplify right side
    438,710,547.79x = 127,050,906,421,790,464
  5. Step 5: Solve for x
    x = 127,050,906,421,790,464/438,710,547.79
  6. Step 6: Final answer
    x = 289,600,756.27

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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.