Home / 1,015,361,714.10-1,400,683,481.53-663,143,876.94

Finding the Fourth Proportional to 1,015,361,714.10, 1,400,683,481.53 and 663,143,876.94

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Solution

The fourth proportional to 1,015,361,714.10, 1,400,683,481.53 and 663,143,876.94 is: 914,801,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,361,714.10 : 1,400,683,481.53 = 663,143,876.94 : x
  2. Step 2: Convert to fraction form
    1,015,361,714.10/1,400,683,481.53 = 663,143,876.94/x
  3. Step 3: Cross multiply
    1,015,361,714.10x = 1,400,683,481.53 × 663,143,876.94
  4. Step 4: Simplify right side
    1,015,361,714.10x = 928,854,674,311,215,744
  5. Step 5: Solve for x
    x = 928,854,674,311,215,744/1,015,361,714.10
  6. Step 6: Final answer
    x = 914,801,751.35

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Half scale
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Double scale
Find fourth proportional to 1,015,361,715.10, 1,400,683,482.91 and 663,143,877.94
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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.