Home / 1,094,674,084.20-1,639,721,871.90-512,904,868.20

Finding the Fourth Proportional to 1,094,674,084.20, 1,639,721,871.90 and 512,904,868.20

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Solution

The fourth proportional to 1,094,674,084.20, 1,639,721,871.90 and 512,904,868.20 is: 768,284,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,674,084.20 : 1,639,721,871.90 = 512,904,868.20 : x
  2. Step 2: Convert to fraction form
    1,094,674,084.20/1,639,721,871.90 = 512,904,868.20/x
  3. Step 3: Cross multiply
    1,094,674,084.20x = 1,639,721,871.90 × 512,904,868.20
  4. Step 4: Simplify right side
    1,094,674,084.20x = 841,021,330,591,526,784
  5. Step 5: Solve for x
    x = 841,021,330,591,526,784/1,094,674,084.20
  6. Step 6: Final answer
    x = 768,284,681.93

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Double scale
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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.