Home / 705,107,187.41-972,022,393.77-492,754,730.74

Finding the Fourth Proportional to 705,107,187.41, 972,022,393.77 and 492,754,730.74

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Solution

The fourth proportional to 705,107,187.41, 972,022,393.77 and 492,754,730.74 is: 679,284,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,107,187.41 : 972,022,393.77 = 492,754,730.74 : x
  2. Step 2: Convert to fraction form
    705,107,187.41/972,022,393.77 = 492,754,730.74/x
  3. Step 3: Cross multiply
    705,107,187.41x = 972,022,393.77 × 492,754,730.74
  4. Step 4: Simplify right side
    705,107,187.41x = 478,968,632,911,113,664
  5. Step 5: Solve for x
    x = 478,968,632,911,113,664/705,107,187.41
  6. Step 6: Final answer
    x = 679,284,854.09

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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.