Home / 779,221,903.72-1,170,697,522.16-499,650,561.53

Finding the Fourth Proportional to 779,221,903.72, 1,170,697,522.16 and 499,650,561.53

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Solution

The fourth proportional to 779,221,903.72, 1,170,697,522.16 and 499,650,561.53 is: 750,671,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,221,903.72 : 1,170,697,522.16 = 499,650,561.53 : x
  2. Step 2: Convert to fraction form
    779,221,903.72/1,170,697,522.16 = 499,650,561.53/x
  3. Step 3: Cross multiply
    779,221,903.72x = 1,170,697,522.16 × 499,650,561.53
  4. Step 4: Simplify right side
    779,221,903.72x = 584,939,674,333,199,488
  5. Step 5: Solve for x
    x = 584,939,674,333,199,488/779,221,903.72
  6. Step 6: Final answer
    x = 750,671,498.76

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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.