Home / 824,903,083.44-1,138,387,830.07-448,581,680.78

Finding the Fourth Proportional to 824,903,083.44, 1,138,387,830.07 and 448,581,680.78

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Solution

The fourth proportional to 824,903,083.44, 1,138,387,830.07 and 448,581,680.78 is: 619,054,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,903,083.44 : 1,138,387,830.07 = 448,581,680.78 : x
  2. Step 2: Convert to fraction form
    824,903,083.44/1,138,387,830.07 = 448,581,680.78/x
  3. Step 3: Cross multiply
    824,903,083.44x = 1,138,387,830.07 × 448,581,680.78
  4. Step 4: Simplify right side
    824,903,083.44x = 510,659,926,194,632,192
  5. Step 5: Solve for x
    x = 510,659,926,194,632,192/824,903,083.44
  6. Step 6: Final answer
    x = 619,054,451.90

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Double scale
Find fourth proportional to 824,903,084.44, 1,138,387,831.45 and 448,581,681.78
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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.