Home / 763,096,178.98-1,053,301,091.26-445,642,056.55

Finding the Fourth Proportional to 763,096,178.98, 1,053,301,091.26 and 445,642,056.55

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Solution

The fourth proportional to 763,096,178.98, 1,053,301,091.26 and 445,642,056.55 is: 615,119,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,096,178.98 : 1,053,301,091.26 = 445,642,056.55 : x
  2. Step 2: Convert to fraction form
    763,096,178.98/1,053,301,091.26 = 445,642,056.55/x
  3. Step 3: Cross multiply
    763,096,178.98x = 1,053,301,091.26 × 445,642,056.55
  4. Step 4: Simplify right side
    763,096,178.98x = 469,395,264,470,199,168
  5. Step 5: Solve for x
    x = 469,395,264,470,199,168/763,096,178.98
  6. Step 6: Final answer
    x = 615,119,400.94

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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.