Home / 708,594,094.95-1,062,891,142.43-644,024,013.45

Finding the Fourth Proportional to 708,594,094.95, 1,062,891,142.43 and 644,024,013.45

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Solution

The fourth proportional to 708,594,094.95, 1,062,891,142.43 and 644,024,013.45 is: 966,036,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,594,094.95 : 1,062,891,142.43 = 644,024,013.45 : x
  2. Step 2: Convert to fraction form
    708,594,094.95/1,062,891,142.43 = 644,024,013.45/x
  3. Step 3: Cross multiply
    708,594,094.95x = 1,062,891,142.43 × 644,024,013.45
  4. Step 4: Simplify right side
    708,594,094.95x = 684,527,419,405,004,032
  5. Step 5: Solve for x
    x = 684,527,419,405,004,032/708,594,094.95
  6. Step 6: Final answer
    x = 966,036,020.18

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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.