Home / 1,553,870,208.80-2,330,432,065.20-897,401,626.40

Finding the Fourth Proportional to 1,553,870,208.80, 2,330,432,065.20 and 897,401,626.40

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Solution

The fourth proportional to 1,553,870,208.80, 2,330,432,065.20 and 897,401,626.40 is: 1,345,886,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,870,208.80 : 2,330,432,065.20 = 897,401,626.40 : x
  2. Step 2: Convert to fraction form
    1,553,870,208.80/2,330,432,065.20 = 897,401,626.40/x
  3. Step 3: Cross multiply
    1,553,870,208.80x = 2,330,432,065.20 × 897,401,626.40
  4. Step 4: Simplify right side
    1,553,870,208.80x = 2,091,333,525,525,190,656
  5. Step 5: Solve for x
    x = 2,091,333,525,525,190,656/1,553,870,208.80
  6. Step 6: Final answer
    x = 1,345,886,878.89

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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.