Home / 443,312,280.24-665,076,779.28-312,409,920.48

Finding the Fourth Proportional to 443,312,280.24, 665,076,779.28 and 312,409,920.48

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Solution

The fourth proportional to 443,312,280.24, 665,076,779.28 and 312,409,920.48 is: 468,691,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,312,280.24 : 665,076,779.28 = 312,409,920.48 : x
  2. Step 2: Convert to fraction form
    443,312,280.24/665,076,779.28 = 312,409,920.48/x
  3. Step 3: Cross multiply
    443,312,280.24x = 665,076,779.28 × 312,409,920.48
  4. Step 4: Simplify right side
    443,312,280.24x = 207,776,583,727,959,328
  5. Step 5: Solve for x
    x = 207,776,583,727,959,328/443,312,280.24
  6. Step 6: Final answer
    x = 468,691,243.15

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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.