Home / 455,118,392.30-628,064,473.12-246,276,775.94

Finding the Fourth Proportional to 455,118,392.30, 628,064,473.12 and 246,276,775.94

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Solution

The fourth proportional to 455,118,392.30, 628,064,473.12 and 246,276,775.94 is: 339,862,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,118,392.30 : 628,064,473.12 = 246,276,775.94 : x
  2. Step 2: Convert to fraction form
    455,118,392.30/628,064,473.12 = 246,276,775.94/x
  3. Step 3: Cross multiply
    455,118,392.30x = 628,064,473.12 × 246,276,775.94
  4. Step 4: Simplify right side
    455,118,392.30x = 154,677,693,518,692,352
  5. Step 5: Solve for x
    x = 154,677,693,518,692,352/455,118,392.30
  6. Step 6: Final answer
    x = 339,862,541.57

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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.