Home / 388,197,369.40-535,711,903.24-229,484,694.46

Finding the Fourth Proportional to 388,197,369.40, 535,711,903.24 and 229,484,694.46

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Solution

The fourth proportional to 388,197,369.40, 535,711,903.24 and 229,484,694.46 is: 316,688,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,197,369.40 : 535,711,903.24 = 229,484,694.46 : x
  2. Step 2: Convert to fraction form
    388,197,369.40/535,711,903.24 = 229,484,694.46/x
  3. Step 3: Cross multiply
    388,197,369.40x = 535,711,903.24 × 229,484,694.46
  4. Step 4: Simplify right side
    388,197,369.40x = 122,937,682,433,616,496
  5. Step 5: Solve for x
    x = 122,937,682,433,616,496/388,197,369.40
  6. Step 6: Final answer
    x = 316,688,602.56

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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.