Home / 486,009,763.58-670,695,251.46-262,991,446.98

Finding the Fourth Proportional to 486,009,763.58, 670,695,251.46 and 262,991,446.98

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Solution

The fourth proportional to 486,009,763.58, 670,695,251.46 and 262,991,446.98 is: 362,929,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,009,763.58 : 670,695,251.46 = 262,991,446.98 : x
  2. Step 2: Convert to fraction form
    486,009,763.58/670,695,251.46 = 262,991,446.98/x
  3. Step 3: Cross multiply
    486,009,763.58x = 670,695,251.46 × 262,991,446.98
  4. Step 4: Simplify right side
    486,009,763.58x = 176,387,114,664,080,352
  5. Step 5: Solve for x
    x = 176,387,114,664,080,352/486,009,763.58
  6. Step 6: Final answer
    x = 362,929,158.80

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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.