Home / 443,212,779.20-611,646,642.53-242,280,756.65

Finding the Fourth Proportional to 443,212,779.20, 611,646,642.53 and 242,280,756.65

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Solution

The fourth proportional to 443,212,779.20, 611,646,642.53 and 242,280,756.65 is: 334,354,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,212,779.20 : 611,646,642.53 = 242,280,756.65 : x
  2. Step 2: Convert to fraction form
    443,212,779.20/611,646,642.53 = 242,280,756.65/x
  3. Step 3: Cross multiply
    443,212,779.20x = 611,646,642.53 × 242,280,756.65
  4. Step 4: Simplify right side
    443,212,779.20x = 148,190,211,353,748,480
  5. Step 5: Solve for x
    x = 148,190,211,353,748,480/443,212,779.20
  6. Step 6: Final answer
    x = 334,354,554.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.