Home / 414,991,420.47-572,952,283.02-258,588,300.15

Finding the Fourth Proportional to 414,991,420.47, 572,952,283.02 and 258,588,300.15

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Solution

The fourth proportional to 414,991,420.47, 572,952,283.02 and 258,588,300.15 is: 357,016,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,991,420.47 : 572,952,283.02 = 258,588,300.15 : x
  2. Step 2: Convert to fraction form
    414,991,420.47/572,952,283.02 = 258,588,300.15/x
  3. Step 3: Cross multiply
    414,991,420.47x = 572,952,283.02 × 258,588,300.15
  4. Step 4: Simplify right side
    414,991,420.47x = 148,158,756,933,203,520
  5. Step 5: Solve for x
    x = 148,158,756,933,203,520/414,991,420.47
  6. Step 6: Final answer
    x = 357,016,433.65

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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.