Home / 544,473,697,394.74-751,439,589,479.30-309,886,021,939.32

Finding the Fourth Proportional to 544,473,697,394.74, 751,439,589,479.30 and 309,886,021,939.32

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Solution

The fourth proportional to 544,473,697,394.74, 751,439,589,479.30 and 309,886,021,939.32 is: 427,680,209,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,473,697,394.74 : 751,439,589,479.30 = 309,886,021,939.32 : x
  2. Step 2: Convert to fraction form
    544,473,697,394.74/751,439,589,479.30 = 309,886,021,939.32/x
  3. Step 3: Cross multiply
    544,473,697,394.74x = 751,439,589,479.30 × 309,886,021,939.32
  4. Step 4: Simplify right side
    544,473,697,394.74x = 232,860,625,111,455,985,827,840
  5. Step 5: Solve for x
    x = 232,860,625,111,455,985,827,840/544,473,697,394.74
  6. Step 6: Final answer
    x = 427,680,209,761.60

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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.