Home / 726,630,325.88-1,090,426,877.14-399,334,403.32

Finding the Fourth Proportional to 726,630,325.88, 1,090,426,877.14 and 399,334,403.32

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Solution

The fourth proportional to 726,630,325.88, 1,090,426,877.14 and 399,334,403.32 is: 599,266,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,630,325.88 : 1,090,426,877.14 = 399,334,403.32 : x
  2. Step 2: Convert to fraction form
    726,630,325.88/1,090,426,877.14 = 399,334,403.32/x
  3. Step 3: Cross multiply
    726,630,325.88x = 1,090,426,877.14 × 399,334,403.32
  4. Step 4: Simplify right side
    726,630,325.88x = 435,444,966,346,792,896
  5. Step 5: Solve for x
    x = 435,444,966,346,792,896/726,630,325.88
  6. Step 6: Final answer
    x = 599,266,161.68

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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.