Home / 1,345,895,998.65-2,018,843,997.98-528,034,981.05

Finding the Fourth Proportional to 1,345,895,998.65, 2,018,843,997.98 and 528,034,981.05

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Solution

The fourth proportional to 1,345,895,998.65, 2,018,843,997.98 and 528,034,981.05 is: 792,052,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,895,998.65 : 2,018,843,997.98 = 528,034,981.05 : x
  2. Step 2: Convert to fraction form
    1,345,895,998.65/2,018,843,997.98 = 528,034,981.05/x
  3. Step 3: Cross multiply
    1,345,895,998.65x = 2,018,843,997.98 × 528,034,981.05
  4. Step 4: Simplify right side
    1,345,895,998.65x = 1,066,020,252,213,635,328
  5. Step 5: Solve for x
    x = 1,066,020,252,213,635,328/1,345,895,998.65
  6. Step 6: Final answer
    x = 792,052,471.58

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Double scale
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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.