Home / 1,254,979,357.92-1,882,698,877.36-517,647,039.40

Finding the Fourth Proportional to 1,254,979,357.92, 1,882,698,877.36 and 517,647,039.40

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Solution

The fourth proportional to 1,254,979,357.92, 1,882,698,877.36 and 517,647,039.40 is: 776,565,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,979,357.92 : 1,882,698,877.36 = 517,647,039.40 : x
  2. Step 2: Convert to fraction form
    1,254,979,357.92/1,882,698,877.36 = 517,647,039.40/x
  3. Step 3: Cross multiply
    1,254,979,357.92x = 1,882,698,877.36 × 517,647,039.40
  4. Step 4: Simplify right side
    1,254,979,357.92x = 974,573,499,947,107,584
  5. Step 5: Solve for x
    x = 974,573,499,947,107,584/1,254,979,357.92
  6. Step 6: Final answer
    x = 776,565,362.45

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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.