Home / 495,108,989.23-742,688,152.13-188,424,871.15

Finding the Fourth Proportional to 495,108,989.23, 742,688,152.13 and 188,424,871.15

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Solution

The fourth proportional to 495,108,989.23, 742,688,152.13 and 188,424,871.15 is: 282,646,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,108,989.23 : 742,688,152.13 = 188,424,871.15 : x
  2. Step 2: Convert to fraction form
    495,108,989.23/742,688,152.13 = 188,424,871.15/x
  3. Step 3: Cross multiply
    495,108,989.23x = 742,688,152.13 × 188,424,871.15
  4. Step 4: Simplify right side
    495,108,989.23x = 139,940,919,369,726,848
  5. Step 5: Solve for x
    x = 139,940,919,369,726,848/495,108,989.23
  6. Step 6: Final answer
    x = 282,646,694.80

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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.