Home / 367,628,532.80-550,875,928.80-318,877,678.40

Finding the Fourth Proportional to 367,628,532.80, 550,875,928.80 and 318,877,678.40

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Solution

The fourth proportional to 367,628,532.80, 550,875,928.80 and 318,877,678.40 is: 477,824,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,628,532.80 : 550,875,928.80 = 318,877,678.40 : x
  2. Step 2: Convert to fraction form
    367,628,532.80/550,875,928.80 = 318,877,678.40/x
  3. Step 3: Cross multiply
    367,628,532.80x = 550,875,928.80 × 318,877,678.40
  4. Step 4: Simplify right side
    367,628,532.80x = 175,662,037,262,187,680
  5. Step 5: Solve for x
    x = 175,662,037,262,187,680/367,628,532.80
  6. Step 6: Final answer
    x = 477,824,819.32

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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.