Home / 1,660,316,232.47-2,490,479,076.47-479,992,798.39

Finding the Fourth Proportional to 1,660,316,232.47, 2,490,479,076.47 and 479,992,798.39

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Solution

The fourth proportional to 1,660,316,232.47, 2,490,479,076.47 and 479,992,798.39 is: 719,990,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,316,232.47 : 2,490,479,076.47 = 479,992,798.39 : x
  2. Step 2: Convert to fraction form
    1,660,316,232.47/2,490,479,076.47 = 479,992,798.39/x
  3. Step 3: Cross multiply
    1,660,316,232.47x = 2,490,479,076.47 × 479,992,798.39
  4. Step 4: Simplify right side
    1,660,316,232.47x = 1,195,412,021,237,952,000
  5. Step 5: Solve for x
    x = 1,195,412,021,237,952,000/1,660,316,232.47
  6. Step 6: Final answer
    x = 719,990,564.36

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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.