Home / 340,580,404.80-510,870,607.20-149,477,428.80

Finding the Fourth Proportional to 340,580,404.80, 510,870,607.20 and 149,477,428.80

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Solution

The fourth proportional to 340,580,404.80, 510,870,607.20 and 149,477,428.80 is: 224,216,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,580,404.80 : 510,870,607.20 = 149,477,428.80 : x
  2. Step 2: Convert to fraction form
    340,580,404.80/510,870,607.20 = 149,477,428.80/x
  3. Step 3: Cross multiply
    340,580,404.80x = 510,870,607.20 × 149,477,428.80
  4. Step 4: Simplify right side
    340,580,404.80x = 76,363,624,813,750,768
  5. Step 5: Solve for x
    x = 76,363,624,813,750,768/340,580,404.80
  6. Step 6: Final answer
    x = 224,216,143.20

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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.