Home / 628,268,711.04-867,000,243.24-346,037,434.20

Finding the Fourth Proportional to 628,268,711.04, 867,000,243.24 and 346,037,434.20

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Solution

The fourth proportional to 628,268,711.04, 867,000,243.24 and 346,037,434.20 is: 477,525,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,268,711.04 : 867,000,243.24 = 346,037,434.20 : x
  2. Step 2: Convert to fraction form
    628,268,711.04/867,000,243.24 = 346,037,434.20/x
  3. Step 3: Cross multiply
    628,268,711.04x = 867,000,243.24 × 346,037,434.20
  4. Step 4: Simplify right side
    628,268,711.04x = 300,014,539,621,545,472
  5. Step 5: Solve for x
    x = 300,014,539,621,545,472/628,268,711.04
  6. Step 6: Final answer
    x = 477,525,833.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.