Home / 517,921,877.40-776,882,816.10-134,969,429.40

Finding the Fourth Proportional to 517,921,877.40, 776,882,816.10 and 134,969,429.40

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Solution

The fourth proportional to 517,921,877.40, 776,882,816.10 and 134,969,429.40 is: 202,454,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,921,877.40 : 776,882,816.10 = 134,969,429.40 : x
  2. Step 2: Convert to fraction form
    517,921,877.40/776,882,816.10 = 134,969,429.40/x
  3. Step 3: Cross multiply
    517,921,877.40x = 776,882,816.10 × 134,969,429.40
  4. Step 4: Simplify right side
    517,921,877.40x = 104,855,430,399,682,144
  5. Step 5: Solve for x
    x = 104,855,430,399,682,144/517,921,877.40
  6. Step 6: Final answer
    x = 202,454,144.10

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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.