Home / 690,039,362.02-1,035,382,267.11-340,094,662.24

Finding the Fourth Proportional to 690,039,362.02, 1,035,382,267.11 and 340,094,662.24

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Solution

The fourth proportional to 690,039,362.02, 1,035,382,267.11 and 340,094,662.24 is: 510,301,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,039,362.02 : 1,035,382,267.11 = 340,094,662.24 : x
  2. Step 2: Convert to fraction form
    690,039,362.02/1,035,382,267.11 = 340,094,662.24/x
  3. Step 3: Cross multiply
    690,039,362.02x = 1,035,382,267.11 × 340,094,662.24
  4. Step 4: Simplify right side
    690,039,362.02x = 352,127,982,422,060,928
  5. Step 5: Solve for x
    x = 352,127,982,422,060,928/690,039,362.02
  6. Step 6: Final answer
    x = 510,301,298.45

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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.