Home / 854,330,503,796.88-1,178,976,967,765.40-463,697,148,078.76

Finding the Fourth Proportional to 854,330,503,796.88, 1,178,976,967,765.40 and 463,697,148,078.76

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Solution

The fourth proportional to 854,330,503,796.88, 1,178,976,967,765.40 and 463,697,148,078.76 is: 639,902,537,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,330,503,796.88 : 1,178,976,967,765.40 = 463,697,148,078.76 : x
  2. Step 2: Convert to fraction form
    854,330,503,796.88/1,178,976,967,765.40 = 463,697,148,078.76/x
  3. Step 3: Cross multiply
    854,330,503,796.88x = 1,178,976,967,765.40 × 463,697,148,078.76
  4. Step 4: Simplify right side
    854,330,503,796.88x = 546,688,257,603,360,138,461,184
  5. Step 5: Solve for x
    x = 546,688,257,603,360,138,461,184/854,330,503,796.88
  6. Step 6: Final answer
    x = 639,902,537,921.48

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Double scale
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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.