Home / 528,192,085.10-792,288,127.65-255,590,408.30

Finding the Fourth Proportional to 528,192,085.10, 792,288,127.65 and 255,590,408.30

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Solution

The fourth proportional to 528,192,085.10, 792,288,127.65 and 255,590,408.30 is: 383,385,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,192,085.10 : 792,288,127.65 = 255,590,408.30 : x
  2. Step 2: Convert to fraction form
    528,192,085.10/792,288,127.65 = 255,590,408.30/x
  3. Step 3: Cross multiply
    528,192,085.10x = 792,288,127.65 × 255,590,408.30
  4. Step 4: Simplify right side
    528,192,085.10x = 202,501,246,037,306,016
  5. Step 5: Solve for x
    x = 202,501,246,037,306,016/528,192,085.10
  6. Step 6: Final answer
    x = 383,385,612.45

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Double scale
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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.