Home / 388,410,783.40-582,616,175.10-158,254,402.60

Finding the Fourth Proportional to 388,410,783.40, 582,616,175.10 and 158,254,402.60

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Solution

The fourth proportional to 388,410,783.40, 582,616,175.10 and 158,254,402.60 is: 237,381,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,410,783.40 : 582,616,175.10 = 158,254,402.60 : x
  2. Step 2: Convert to fraction form
    388,410,783.40/582,616,175.10 = 158,254,402.60/x
  3. Step 3: Cross multiply
    388,410,783.40x = 582,616,175.10 × 158,254,402.60
  4. Step 4: Simplify right side
    388,410,783.40x = 92,201,574,735,547,488
  5. Step 5: Solve for x
    x = 92,201,574,735,547,488/388,410,783.40
  6. Step 6: Final answer
    x = 237,381,603.90

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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.