Home / 779,221,910.74-1,170,697,532.70-499,650,568.57

Finding the Fourth Proportional to 779,221,910.74, 1,170,697,532.70 and 499,650,568.57

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Solution

The fourth proportional to 779,221,910.74, 1,170,697,532.70 and 499,650,568.57 is: 750,671,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,221,910.74 : 1,170,697,532.70 = 499,650,568.57 : x
  2. Step 2: Convert to fraction form
    779,221,910.74/1,170,697,532.70 = 499,650,568.57/x
  3. Step 3: Cross multiply
    779,221,910.74x = 1,170,697,532.70 × 499,650,568.57
  4. Step 4: Simplify right side
    779,221,910.74x = 584,939,687,837,051,136
  5. Step 5: Solve for x
    x = 584,939,687,837,051,136/779,221,910.74
  6. Step 6: Final answer
    x = 750,671,509.33

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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.