Home / 666,020,514,342.21-997,310,212,287.15-459,664,403,546.37

Finding the Fourth Proportional to 666,020,514,342.21, 997,310,212,287.15 and 459,664,403,546.37

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Solution

The fourth proportional to 666,020,514,342.21, 997,310,212,287.15 and 459,664,403,546.37 is: 688,309,134,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,020,514,342.21 : 997,310,212,287.15 = 459,664,403,546.37 : x
  2. Step 2: Convert to fraction form
    666,020,514,342.21/997,310,212,287.15 = 459,664,403,546.37/x
  3. Step 3: Cross multiply
    666,020,514,342.21x = 997,310,212,287.15 × 459,664,403,546.37
  4. Step 4: Simplify right side
    666,020,514,342.21x = 458,428,003,881,676,460,523,520
  5. Step 5: Solve for x
    x = 458,428,003,881,676,460,523,520/666,020,514,342.21
  6. Step 6: Final answer
    x = 688,309,134,643.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.