Home / 495,108,989.98-742,688,153.25-188,424,871.90

Finding the Fourth Proportional to 495,108,989.98, 742,688,153.25 and 188,424,871.90

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Solution

The fourth proportional to 495,108,989.98, 742,688,153.25 and 188,424,871.90 is: 282,646,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,108,989.98 : 742,688,153.25 = 188,424,871.90 : x
  2. Step 2: Convert to fraction form
    495,108,989.98/742,688,153.25 = 188,424,871.90/x
  3. Step 3: Cross multiply
    495,108,989.98x = 742,688,153.25 × 188,424,871.90
  4. Step 4: Simplify right side
    495,108,989.98x = 139,940,920,137,778,816
  5. Step 5: Solve for x
    x = 139,940,920,137,778,816/495,108,989.98
  6. Step 6: Final answer
    x = 282,646,695.92

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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.