Home / 531,781,030.47-733,980,266.07-311,835,315.27

Finding the Fourth Proportional to 531,781,030.47, 733,980,266.07 and 311,835,315.27

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Solution

The fourth proportional to 531,781,030.47, 733,980,266.07 and 311,835,315.27 is: 430,404,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,781,030.47 : 733,980,266.07 = 311,835,315.27 : x
  2. Step 2: Convert to fraction form
    531,781,030.47/733,980,266.07 = 311,835,315.27/x
  3. Step 3: Cross multiply
    531,781,030.47x = 733,980,266.07 × 311,835,315.27
  4. Step 4: Simplify right side
    531,781,030.47x = 228,880,967,671,896,928
  5. Step 5: Solve for x
    x = 228,880,967,671,896,928/531,781,030.47
  6. Step 6: Final answer
    x = 430,404,536.00

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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.