Home / 651,464,677.58-899,027,643.15-354,106,736.21

Finding the Fourth Proportional to 651,464,677.58, 899,027,643.15 and 354,106,736.21

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Solution

The fourth proportional to 651,464,677.58, 899,027,643.15 and 354,106,736.21 is: 488,670,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,464,677.58 : 899,027,643.15 = 354,106,736.21 : x
  2. Step 2: Convert to fraction form
    651,464,677.58/899,027,643.15 = 354,106,736.21/x
  3. Step 3: Cross multiply
    651,464,677.58x = 899,027,643.15 × 354,106,736.21
  4. Step 4: Simplify right side
    651,464,677.58x = 318,351,744,480,662,592
  5. Step 5: Solve for x
    x = 318,351,744,480,662,592/651,464,677.58
  6. Step 6: Final answer
    x = 488,670,768.25

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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.