Home / 1,784,818,951.21-2,463,109,966.26-991,898,350.39

Finding the Fourth Proportional to 1,784,818,951.21, 2,463,109,966.26 and 991,898,350.39

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Solution

The fourth proportional to 1,784,818,951.21, 2,463,109,966.26 and 991,898,350.39 is: 1,368,852,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,818,951.21 : 2,463,109,966.26 = 991,898,350.39 : x
  2. Step 2: Convert to fraction form
    1,784,818,951.21/2,463,109,966.26 = 991,898,350.39/x
  3. Step 3: Cross multiply
    1,784,818,951.21x = 2,463,109,966.26 × 991,898,350.39
  4. Step 4: Simplify right side
    1,784,818,951.21x = 2,443,154,712,362,462,720
  5. Step 5: Solve for x
    x = 2,443,154,712,362,462,720/1,784,818,951.21
  6. Step 6: Final answer
    x = 1,368,852,964.45

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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.