Home / 1,056,459,707.56-1,584,996,267.35-425,866,334.31

Finding the Fourth Proportional to 1,056,459,707.56, 1,584,996,267.35 and 425,866,334.31

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Solution

The fourth proportional to 1,056,459,707.56, 1,584,996,267.35 and 425,866,334.31 is: 638,923,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,459,707.56 : 1,584,996,267.35 = 425,866,334.31 : x
  2. Step 2: Convert to fraction form
    1,056,459,707.56/1,584,996,267.35 = 425,866,334.31/x
  3. Step 3: Cross multiply
    1,056,459,707.56x = 1,584,996,267.35 × 425,866,334.31
  4. Step 4: Simplify right side
    1,056,459,707.56x = 674,996,550,272,441,856
  5. Step 5: Solve for x
    x = 674,996,550,272,441,856/1,056,459,707.56
  6. Step 6: Final answer
    x = 638,923,136.82

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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.