Home / 1,020,549,874.88-1,529,581,152.90-528,992,144.12

Finding the Fourth Proportional to 1,020,549,874.88, 1,529,581,152.90 and 528,992,144.12

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Solution

The fourth proportional to 1,020,549,874.88, 1,529,581,152.90 and 528,992,144.12 is: 792,843,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,549,874.88 : 1,529,581,152.90 = 528,992,144.12 : x
  2. Step 2: Convert to fraction form
    1,020,549,874.88/1,529,581,152.90 = 528,992,144.12/x
  3. Step 3: Cross multiply
    1,020,549,874.88x = 1,529,581,152.90 × 528,992,144.12
  4. Step 4: Simplify right side
    1,020,549,874.88x = 809,136,413,678,112,640
  5. Step 5: Solve for x
    x = 809,136,413,678,112,640/1,020,549,874.88
  6. Step 6: Final answer
    x = 792,843,577.36

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Double scale
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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.