Home / 630,090,800.60-869,539,224.02-347,832,572.88

Finding the Fourth Proportional to 630,090,800.60, 869,539,224.02 and 347,832,572.88

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Solution

The fourth proportional to 630,090,800.60, 869,539,224.02 and 347,832,572.88 is: 480,016,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,800.60 : 869,539,224.02 = 347,832,572.88 : x
  2. Step 2: Convert to fraction form
    630,090,800.60/869,539,224.02 = 347,832,572.88/x
  3. Step 3: Cross multiply
    630,090,800.60x = 869,539,224.02 × 347,832,572.88
  4. Step 4: Simplify right side
    630,090,800.60x = 302,454,065,510,955,264
  5. Step 5: Solve for x
    x = 302,454,065,510,955,264/630,090,800.60
  6. Step 6: Final answer
    x = 480,016,634.46

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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.