Home / 1,508,139,000.54-2,262,185,797.32-678,506,777.43

Finding the Fourth Proportional to 1,508,139,000.54, 2,262,185,797.32 and 678,506,777.43

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Solution

The fourth proportional to 1,508,139,000.54, 2,262,185,797.32 and 678,506,777.43 is: 1,017,749,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,139,000.54 : 2,262,185,797.32 = 678,506,777.43 : x
  2. Step 2: Convert to fraction form
    1,508,139,000.54/2,262,185,797.32 = 678,506,777.43/x
  3. Step 3: Cross multiply
    1,508,139,000.54x = 2,262,185,797.32 × 678,506,777.43
  4. Step 4: Simplify right side
    1,508,139,000.54x = 1,534,908,395,287,508,224
  5. Step 5: Solve for x
    x = 1,534,908,395,287,508,224/1,508,139,000.54
  6. Step 6: Final answer
    x = 1,017,749,951.92

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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.