Home / 398,577,914.70-597,866,872.05-358,267,130.70

Finding the Fourth Proportional to 398,577,914.70, 597,866,872.05 and 358,267,130.70

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Solution

The fourth proportional to 398,577,914.70, 597,866,872.05 and 358,267,130.70 is: 537,400,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,577,914.70 : 597,866,872.05 = 358,267,130.70 : x
  2. Step 2: Convert to fraction form
    398,577,914.70/597,866,872.05 = 358,267,130.70/x
  3. Step 3: Cross multiply
    398,577,914.70x = 597,866,872.05 × 358,267,130.70
  4. Step 4: Simplify right side
    398,577,914.70x = 214,196,048,789,937,504
  5. Step 5: Solve for x
    x = 214,196,048,789,937,504/398,577,914.70
  6. Step 6: Final answer
    x = 537,400,696.05

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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.