Home / 827,141,686.20-1,240,712,529.30-764,006,495.40

Finding the Fourth Proportional to 827,141,686.20, 1,240,712,529.30 and 764,006,495.40

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Solution

The fourth proportional to 827,141,686.20, 1,240,712,529.30 and 764,006,495.40 is: 1,146,009,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,141,686.20 : 1,240,712,529.30 = 764,006,495.40 : x
  2. Step 2: Convert to fraction form
    827,141,686.20/1,240,712,529.30 = 764,006,495.40/x
  3. Step 3: Cross multiply
    827,141,686.20x = 1,240,712,529.30 × 764,006,495.40
  4. Step 4: Simplify right side
    827,141,686.20x = 947,912,431,309,362,688
  5. Step 5: Solve for x
    x = 947,912,431,309,362,688/827,141,686.20
  6. Step 6: Final answer
    x = 1,146,009,743.10

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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.