Home / 870,912,183.90-1,306,368,275.85-768,875,511.90

Finding the Fourth Proportional to 870,912,183.90, 1,306,368,275.85 and 768,875,511.90

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Solution

The fourth proportional to 870,912,183.90, 1,306,368,275.85 and 768,875,511.90 is: 1,153,313,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,912,183.90 : 1,306,368,275.85 = 768,875,511.90 : x
  2. Step 2: Convert to fraction form
    870,912,183.90/1,306,368,275.85 = 768,875,511.90/x
  3. Step 3: Cross multiply
    870,912,183.90x = 1,306,368,275.85 × 768,875,511.90
  4. Step 4: Simplify right side
    870,912,183.90x = 1,004,434,576,824,089,088
  5. Step 5: Solve for x
    x = 1,004,434,576,824,089,088/870,912,183.90
  6. Step 6: Final answer
    x = 1,153,313,267.85

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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.