Home / 772,953,710.40-1,158,534,770.40-312,664,276.80

Finding the Fourth Proportional to 772,953,710.40, 1,158,534,770.40 and 312,664,276.80

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Solution

The fourth proportional to 772,953,710.40, 1,158,534,770.40 and 312,664,276.80 is: 468,634,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,953,710.40 : 1,158,534,770.40 = 312,664,276.80 : x
  2. Step 2: Convert to fraction form
    772,953,710.40/1,158,534,770.40 = 312,664,276.80/x
  3. Step 3: Cross multiply
    772,953,710.40x = 1,158,534,770.40 × 312,664,276.80
  4. Step 4: Simplify right side
    772,953,710.40x = 362,232,436,134,770,112
  5. Step 5: Solve for x
    x = 362,232,436,134,770,112/772,953,710.40
  6. Step 6: Final answer
    x = 468,634,060.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.