Home / 699,104,798.67-1,048,540,280.97-256,355,987.16

Finding the Fourth Proportional to 699,104,798.67, 1,048,540,280.97 and 256,355,987.16

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Solution

The fourth proportional to 699,104,798.67, 1,048,540,280.97 and 256,355,987.16 is: 384,491,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,104,798.67 : 1,048,540,280.97 = 256,355,987.16 : x
  2. Step 2: Convert to fraction form
    699,104,798.67/1,048,540,280.97 = 256,355,987.16/x
  3. Step 3: Cross multiply
    699,104,798.67x = 1,048,540,280.97 × 256,355,987.16
  4. Step 4: Simplify right side
    699,104,798.67x = 268,799,578,805,088,128
  5. Step 5: Solve for x
    x = 268,799,578,805,088,128/699,104,798.67
  6. Step 6: Final answer
    x = 384,491,108.22

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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.