Home / 443,572,264.72-612,152,656.72-255,428,484.40

Finding the Fourth Proportional to 443,572,264.72, 612,152,656.72 and 255,428,484.40

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Solution

The fourth proportional to 443,572,264.72, 612,152,656.72 and 255,428,484.40 is: 352,504,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,572,264.72 : 612,152,656.72 = 255,428,484.40 : x
  2. Step 2: Convert to fraction form
    443,572,264.72/612,152,656.72 = 255,428,484.40/x
  3. Step 3: Cross multiply
    443,572,264.72x = 612,152,656.72 × 255,428,484.40
  4. Step 4: Simplify right side
    443,572,264.72x = 156,361,225,327,423,072
  5. Step 5: Solve for x
    x = 156,361,225,327,423,072/443,572,264.72
  6. Step 6: Final answer
    x = 352,504,513.39

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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.