Home / 358,731,210.80-538,096,816.20-272,000,039.60

Finding the Fourth Proportional to 358,731,210.80, 538,096,816.20 and 272,000,039.60

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Solution

The fourth proportional to 358,731,210.80, 538,096,816.20 and 272,000,039.60 is: 408,000,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,731,210.80 : 538,096,816.20 = 272,000,039.60 : x
  2. Step 2: Convert to fraction form
    358,731,210.80/538,096,816.20 = 272,000,039.60/x
  3. Step 3: Cross multiply
    358,731,210.80x = 538,096,816.20 × 272,000,039.60
  4. Step 4: Simplify right side
    358,731,210.80x = 146,362,355,315,033,952
  5. Step 5: Solve for x
    x = 146,362,355,315,033,952/358,731,210.80
  6. Step 6: Final answer
    x = 408,000,059.40

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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.