Home / 870,912,203.40-1,306,368,305.10-768,875,531.40

Finding the Fourth Proportional to 870,912,203.40, 1,306,368,305.10 and 768,875,531.40

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Solution

The fourth proportional to 870,912,203.40, 1,306,368,305.10 and 768,875,531.40 is: 1,153,313,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,912,203.40 : 1,306,368,305.10 = 768,875,531.40 : x
  2. Step 2: Convert to fraction form
    870,912,203.40/1,306,368,305.10 = 768,875,531.40/x
  3. Step 3: Cross multiply
    870,912,203.40x = 1,306,368,305.10 × 768,875,531.40
  4. Step 4: Simplify right side
    870,912,203.40x = 1,004,434,624,787,879,680
  5. Step 5: Solve for x
    x = 1,004,434,624,787,879,680/870,912,203.40
  6. Step 6: Final answer
    x = 1,153,313,297.10

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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.