Home / 1,227,254,627.45-1,693,600,167.70-670,337,507.45

Finding the Fourth Proportional to 1,227,254,627.45, 1,693,600,167.70 and 670,337,507.45

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Solution

The fourth proportional to 1,227,254,627.45, 1,693,600,167.70 and 670,337,507.45 is: 925,059,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,254,627.45 : 1,693,600,167.70 = 670,337,507.45 : x
  2. Step 2: Convert to fraction form
    1,227,254,627.45/1,693,600,167.70 = 670,337,507.45/x
  3. Step 3: Cross multiply
    1,227,254,627.45x = 1,693,600,167.70 × 670,337,507.45
  4. Step 4: Simplify right side
    1,227,254,627.45x = 1,135,283,715,032,920,064
  5. Step 5: Solve for x
    x = 1,135,283,715,032,920,064/1,227,254,627.45
  6. Step 6: Final answer
    x = 925,059,632.81

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Half scale
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Double scale
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1.5x scale

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.