Home / 676,477,282.88-933,522,772.80-398,036,840.96

Finding the Fourth Proportional to 676,477,282.88, 933,522,772.80 and 398,036,840.96

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Solution

The fourth proportional to 676,477,282.88, 933,522,772.80 and 398,036,840.96 is: 549,281,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,477,282.88 : 933,522,772.80 = 398,036,840.96 : x
  2. Step 2: Convert to fraction form
    676,477,282.88/933,522,772.80 = 398,036,840.96/x
  3. Step 3: Cross multiply
    676,477,282.88x = 933,522,772.80 × 398,036,840.96
  4. Step 4: Simplify right side
    676,477,282.88x = 371,576,455,449,531,776
  5. Step 5: Solve for x
    x = 371,576,455,449,531,776/676,477,282.88
  6. Step 6: Final answer
    x = 549,281,498.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.