Home / 459,884,899.47-634,557,447.14-258,910,520.80

Finding the Fourth Proportional to 459,884,899.47, 634,557,447.14 and 258,910,520.80

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Solution

The fourth proportional to 459,884,899.47, 634,557,447.14 and 258,910,520.80 is: 357,249,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,884,899.47 : 634,557,447.14 = 258,910,520.80 : x
  2. Step 2: Convert to fraction form
    459,884,899.47/634,557,447.14 = 258,910,520.80/x
  3. Step 3: Cross multiply
    459,884,899.47x = 634,557,447.14 × 258,910,520.80
  4. Step 4: Simplify right side
    459,884,899.47x = 164,293,599,115,669,760
  5. Step 5: Solve for x
    x = 164,293,599,115,669,760/459,884,899.47
  6. Step 6: Final answer
    x = 357,249,388.50

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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.