Home / 630,090,797.22-869,539,219.38-347,832,569.52

Finding the Fourth Proportional to 630,090,797.22, 869,539,219.38 and 347,832,569.52

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Solution

The fourth proportional to 630,090,797.22, 869,539,219.38 and 347,832,569.52 is: 480,016,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,797.22 : 869,539,219.38 = 347,832,569.52 : x
  2. Step 2: Convert to fraction form
    630,090,797.22/869,539,219.38 = 347,832,569.52/x
  3. Step 3: Cross multiply
    630,090,797.22x = 869,539,219.38 × 347,832,569.52
  4. Step 4: Simplify right side
    630,090,797.22x = 302,454,060,975,360,384
  5. Step 5: Solve for x
    x = 302,454,060,975,360,384/630,090,797.22
  6. Step 6: Final answer
    x = 480,016,629.84

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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.