Home / 864,612,566.10-1,296,903,717.86-340,036,147.66

Finding the Fourth Proportional to 864,612,566.10, 1,296,903,717.86 and 340,036,147.66

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Solution

The fourth proportional to 864,612,566.10, 1,296,903,717.86 and 340,036,147.66 is: 510,048,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,612,566.10 : 1,296,903,717.86 = 340,036,147.66 : x
  2. Step 2: Convert to fraction form
    864,612,566.10/1,296,903,717.86 = 340,036,147.66/x
  3. Step 3: Cross multiply
    864,612,566.10x = 1,296,903,717.86 × 340,036,147.66
  4. Step 4: Simplify right side
    864,612,566.10x = 440,994,144,107,045,952
  5. Step 5: Solve for x
    x = 440,994,144,107,045,952/864,612,566.10
  6. Step 6: Final answer
    x = 510,048,270.63

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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.