Home / 1,638,263,790.50-2,457,126,643.43-705,335,473.35

Finding the Fourth Proportional to 1,638,263,790.50, 2,457,126,643.43 and 705,335,473.35

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Solution

The fourth proportional to 1,638,263,790.50, 2,457,126,643.43 and 705,335,473.35 is: 1,057,887,376.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,263,790.50 : 2,457,126,643.43 = 705,335,473.35 : x
  2. Step 2: Convert to fraction form
    1,638,263,790.50/2,457,126,643.43 = 705,335,473.35/x
  3. Step 3: Cross multiply
    1,638,263,790.50x = 2,457,126,643.43 × 705,335,473.35
  4. Step 4: Simplify right side
    1,638,263,790.50x = 1,733,098,584,126,288,640
  5. Step 5: Solve for x
    x = 1,733,098,584,126,288,640/1,638,263,790.50
  6. Step 6: Final answer
    x = 1,057,887,376.98

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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.