Home / 630,090,801.72-869,539,225.59-347,832,574.02

Finding the Fourth Proportional to 630,090,801.72, 869,539,225.59 and 347,832,574.02

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Solution

The fourth proportional to 630,090,801.72, 869,539,225.59 and 347,832,574.02 is: 480,016,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,801.72 : 869,539,225.59 = 347,832,574.02 : x
  2. Step 2: Convert to fraction form
    630,090,801.72/869,539,225.59 = 347,832,574.02/x
  3. Step 3: Cross multiply
    630,090,801.72x = 869,539,225.59 × 347,832,574.02
  4. Step 4: Simplify right side
    630,090,801.72x = 302,454,067,048,327,168
  5. Step 5: Solve for x
    x = 302,454,067,048,327,168/630,090,801.72
  6. Step 6: Final answer
    x = 480,016,636.05

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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.