Home / 508,831,423.40-763,247,135.10-168,429,247.40

Finding the Fourth Proportional to 508,831,423.40, 763,247,135.10 and 168,429,247.40

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Solution

The fourth proportional to 508,831,423.40, 763,247,135.10 and 168,429,247.40 is: 252,643,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,831,423.40 : 763,247,135.10 = 168,429,247.40 : x
  2. Step 2: Convert to fraction form
    508,831,423.40/763,247,135.10 = 168,429,247.40/x
  3. Step 3: Cross multiply
    508,831,423.40x = 763,247,135.10 × 168,429,247.40
  4. Step 4: Simplify right side
    508,831,423.40x = 128,553,140,545,099,136
  5. Step 5: Solve for x
    x = 128,553,140,545,099,136/508,831,423.40
  6. Step 6: Final answer
    x = 252,643,871.10

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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.