Home / 547,588,514.12-755,709,225.02-309,351,070.36

Finding the Fourth Proportional to 547,588,514.12, 755,709,225.02 and 309,351,070.36

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Solution

The fourth proportional to 547,588,514.12, 755,709,225.02 and 309,351,070.36 is: 426,925,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,588,514.12 : 755,709,225.02 = 309,351,070.36 : x
  2. Step 2: Convert to fraction form
    547,588,514.12/755,709,225.02 = 309,351,070.36/x
  3. Step 3: Cross multiply
    547,588,514.12x = 755,709,225.02 × 309,351,070.36
  4. Step 4: Simplify right side
    547,588,514.12x = 233,779,457,635,537,792
  5. Step 5: Solve for x
    x = 233,779,457,635,537,792/547,588,514.12
  6. Step 6: Final answer
    x = 426,925,422.30

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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.