Home / 507,025,159,627.70-699,711,500,429.48-278,662,496,041.43

Finding the Fourth Proportional to 507,025,159,627.70, 699,711,500,429.48 and 278,662,496,041.43

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Solution

The fourth proportional to 507,025,159,627.70, 699,711,500,429.48 and 278,662,496,041.43 is: 384,563,466,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,025,159,627.70 : 699,711,500,429.48 = 278,662,496,041.43 : x
  2. Step 2: Convert to fraction form
    507,025,159,627.70/699,711,500,429.48 = 278,662,496,041.43/x
  3. Step 3: Cross multiply
    507,025,159,627.70x = 699,711,500,429.48 × 278,662,496,041.43
  4. Step 4: Simplify right side
    507,025,159,627.70x = 194,983,353,218,573,000,507,392
  5. Step 5: Solve for x
    x = 194,983,353,218,573,000,507,392/507,025,159,627.70
  6. Step 6: Final answer
    x = 384,563,466,952.50

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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.