Home / 1,094,674,121.70-1,639,721,928.15-512,904,905.70

Finding the Fourth Proportional to 1,094,674,121.70, 1,639,721,928.15 and 512,904,905.70

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Solution

The fourth proportional to 1,094,674,121.70, 1,639,721,928.15 and 512,904,905.70 is: 768,284,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,674,121.70 : 1,639,721,928.15 = 512,904,905.70 : x
  2. Step 2: Convert to fraction form
    1,094,674,121.70/1,639,721,928.15 = 512,904,905.70/x
  3. Step 3: Cross multiply
    1,094,674,121.70x = 1,639,721,928.15 × 512,904,905.70
  4. Step 4: Simplify right side
    1,094,674,121.70x = 841,021,420,931,997,952
  5. Step 5: Solve for x
    x = 841,021,420,931,997,952/1,094,674,121.70
  6. Step 6: Final answer
    x = 768,284,738.13

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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.