Home / 660,285,924-910,234,225.44-461,430,042.72

Finding the Fourth Proportional to 660,285,924, 910,234,225.44 and 461,430,042.72

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Solution

The fourth proportional to 660,285,924, 910,234,225.44 and 461,430,042.72 is: 636,102,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,285,924 : 910,234,225.44 = 461,430,042.72 : x
  2. Step 2: Convert to fraction form
    660,285,924/910,234,225.44 = 461,430,042.72/x
  3. Step 3: Cross multiply
    660,285,924x = 910,234,225.44 × 461,430,042.72
  4. Step 4: Simplify right side
    660,285,924x = 420,009,417,529,985,344
  5. Step 5: Solve for x
    x = 420,009,417,529,985,344/660,285,924
  6. Step 6: Final answer
    x = 636,102,334.25

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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.