Home / 1,638,001,515.90-2,457,002,273.85-655,579,683.30

Finding the Fourth Proportional to 1,638,001,515.90, 2,457,002,273.85 and 655,579,683.30

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Solution

The fourth proportional to 1,638,001,515.90, 2,457,002,273.85 and 655,579,683.30 is: 983,369,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,001,515.90 : 2,457,002,273.85 = 655,579,683.30 : x
  2. Step 2: Convert to fraction form
    1,638,001,515.90/2,457,002,273.85 = 655,579,683.30/x
  3. Step 3: Cross multiply
    1,638,001,515.90x = 2,457,002,273.85 × 655,579,683.30
  4. Step 4: Simplify right side
    1,638,001,515.90x = 1,610,760,772,557,962,752
  5. Step 5: Solve for x
    x = 1,610,760,772,557,962,752/1,638,001,515.90
  6. Step 6: Final answer
    x = 983,369,524.95

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Half scale
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Double scale
Find fourth proportional to 1,638,001,516.90, 2,457,002,275.35 and 655,579,684.30
Similar ratio
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1.5x scale

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.