Home / 507,025,159,652.52-699,711,500,463.84-278,662,496,066.28

Finding the Fourth Proportional to 507,025,159,652.52, 699,711,500,463.84 and 278,662,496,066.28

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Solution

The fourth proportional to 507,025,159,652.52, 699,711,500,463.84 and 278,662,496,066.28 is: 384,563,466,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,025,159,652.52 : 699,711,500,463.84 = 278,662,496,066.28 : x
  2. Step 2: Convert to fraction form
    507,025,159,652.52/699,711,500,463.84 = 278,662,496,066.28/x
  3. Step 3: Cross multiply
    507,025,159,652.52x = 699,711,500,463.84 × 278,662,496,066.28
  4. Step 4: Simplify right side
    507,025,159,652.52x = 194,983,353,245,535,697,895,424
  5. Step 5: Solve for x
    x = 194,983,353,245,535,697,895,424/507,025,159,652.52
  6. Step 6: Final answer
    x = 384,563,466,986.85

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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.