Home / 1,242,317,474,893.30-1,863,662,538,130.70-436,342,358,058.72

Finding the Fourth Proportional to 1,242,317,474,893.30, 1,863,662,538,130.70 and 436,342,358,058.72

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Solution

The fourth proportional to 1,242,317,474,893.30, 1,863,662,538,130.70 and 436,342,358,058.72 is: 654,578,980,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,317,474,893.30 : 1,863,662,538,130.70 = 436,342,358,058.72 : x
  2. Step 2: Convert to fraction form
    1,242,317,474,893.30/1,863,662,538,130.70 = 436,342,358,058.72/x
  3. Step 3: Cross multiply
    1,242,317,474,893.30x = 1,863,662,538,130.70 × 436,342,358,058.72
  4. Step 4: Simplify right side
    1,242,317,474,893.30x = 813,194,906,513,648,788,701,184
  5. Step 5: Solve for x
    x = 813,194,906,513,648,788,701,184/1,242,317,474,893.30
  6. Step 6: Final answer
    x = 654,578,980,774.21

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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.