Home / 913,558,420.12-1,260,677,994.52-517,072,896.27

Finding the Fourth Proportional to 913,558,420.12, 1,260,677,994.52 and 517,072,896.27

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Solution

The fourth proportional to 913,558,420.12, 1,260,677,994.52 and 517,072,896.27 is: 713,542,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,558,420.12 : 1,260,677,994.52 = 517,072,896.27 : x
  2. Step 2: Convert to fraction form
    913,558,420.12/1,260,677,994.52 = 517,072,896.27/x
  3. Step 3: Cross multiply
    913,558,420.12x = 1,260,677,994.52 × 517,072,896.27
  4. Step 4: Simplify right side
    913,558,420.12x = 651,862,421,890,311,552
  5. Step 5: Solve for x
    x = 651,862,421,890,311,552/913,558,420.12
  6. Step 6: Final answer
    x = 713,542,131.01

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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.