Home / 434,176,543.10-651,264,814.65-431,153,234.30

Finding the Fourth Proportional to 434,176,543.10, 651,264,814.65 and 431,153,234.30

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Solution

The fourth proportional to 434,176,543.10, 651,264,814.65 and 431,153,234.30 is: 646,729,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,176,543.10 : 651,264,814.65 = 431,153,234.30 : x
  2. Step 2: Convert to fraction form
    434,176,543.10/651,264,814.65 = 431,153,234.30/x
  3. Step 3: Cross multiply
    434,176,543.10x = 651,264,814.65 × 431,153,234.30
  4. Step 4: Simplify right side
    434,176,543.10x = 280,794,931,222,137,504
  5. Step 5: Solve for x
    x = 280,794,931,222,137,504/434,176,543.10
  6. Step 6: Final answer
    x = 646,729,851.45

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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.