Home / 314,977,762.20-472,466,643.30-257,582,134.20

Finding the Fourth Proportional to 314,977,762.20, 472,466,643.30 and 257,582,134.20

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Solution

The fourth proportional to 314,977,762.20, 472,466,643.30 and 257,582,134.20 is: 386,373,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,977,762.20 : 472,466,643.30 = 257,582,134.20 : x
  2. Step 2: Convert to fraction form
    314,977,762.20/472,466,643.30 = 257,582,134.20/x
  3. Step 3: Cross multiply
    314,977,762.20x = 472,466,643.30 × 257,582,134.20
  4. Step 4: Simplify right side
    314,977,762.20x = 121,698,966,319,524,128
  5. Step 5: Solve for x
    x = 121,698,966,319,524,128/314,977,762.20
  6. Step 6: Final answer
    x = 386,373,201.30

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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.