Home / 295,488,085.20-443,232,127.80-286,985,029.20

Finding the Fourth Proportional to 295,488,085.20, 443,232,127.80 and 286,985,029.20

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Solution

The fourth proportional to 295,488,085.20, 443,232,127.80 and 286,985,029.20 is: 430,477,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,085.20 : 443,232,127.80 = 286,985,029.20 : x
  2. Step 2: Convert to fraction form
    295,488,085.20/443,232,127.80 = 286,985,029.20/x
  3. Step 3: Cross multiply
    295,488,085.20x = 443,232,127.80 × 286,985,029.20
  4. Step 4: Simplify right side
    295,488,085.20x = 127,200,985,139,061,136
  5. Step 5: Solve for x
    x = 127,200,985,139,061,136/295,488,085.20
  6. Step 6: Final answer
    x = 430,477,543.80

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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.