Home / 430,014,383.73-592,060,711.62-390,738,900.90

Finding the Fourth Proportional to 430,014,383.73, 592,060,711.62 and 390,738,900.90

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Solution

The fourth proportional to 430,014,383.73, 592,060,711.62 and 390,738,900.90 is: 537,984,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,014,383.73 : 592,060,711.62 = 390,738,900.90 : x
  2. Step 2: Convert to fraction form
    430,014,383.73/592,060,711.62 = 390,738,900.90/x
  3. Step 3: Cross multiply
    430,014,383.73x = 592,060,711.62 × 390,738,900.90
  4. Step 4: Simplify right side
    430,014,383.73x = 231,341,151,724,470,656
  5. Step 5: Solve for x
    x = 231,341,151,724,470,656/430,014,383.73
  6. Step 6: Final answer
    x = 537,984,682.55

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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.