Home / 605,423,147.20-908,134,720.80-528,895,643.20

Finding the Fourth Proportional to 605,423,147.20, 908,134,720.80 and 528,895,643.20

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Solution

The fourth proportional to 605,423,147.20, 908,134,720.80 and 528,895,643.20 is: 793,343,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,423,147.20 : 908,134,720.80 = 528,895,643.20 : x
  2. Step 2: Convert to fraction form
    605,423,147.20/908,134,720.80 = 528,895,643.20/x
  3. Step 3: Cross multiply
    605,423,147.20x = 908,134,720.80 × 528,895,643.20
  4. Step 4: Simplify right side
    605,423,147.20x = 480,308,497,269,768,384
  5. Step 5: Solve for x
    x = 480,308,497,269,768,384/605,423,147.20
  6. Step 6: Final answer
    x = 793,343,464.80

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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.