Home / 425,851,266.08-639,001,953.87-302,153,312.15

Finding the Fourth Proportional to 425,851,266.08, 639,001,953.87 and 302,153,312.15

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Solution

The fourth proportional to 425,851,266.08, 639,001,953.87 and 302,153,312.15 is: 453,389,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,851,266.08 : 639,001,953.87 = 302,153,312.15 : x
  2. Step 2: Convert to fraction form
    425,851,266.08/639,001,953.87 = 302,153,312.15/x
  3. Step 3: Cross multiply
    425,851,266.08x = 639,001,953.87 × 302,153,312.15
  4. Step 4: Simplify right side
    425,851,266.08x = 193,076,556,832,141,984
  5. Step 5: Solve for x
    x = 193,076,556,832,141,984/425,851,266.08
  6. Step 6: Final answer
    x = 453,389,650.83

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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.