Home / 935,595,490,785.90-1,291,129,358,109.40-518,456,303,788.05

Finding the Fourth Proportional to 935,595,490,785.90, 1,291,129,358,109.40 and 518,456,303,788.05

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Solution

The fourth proportional to 935,595,490,785.90, 1,291,129,358,109.40 and 518,456,303,788.05 is: 715,473,900,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,595,490,785.90 : 1,291,129,358,109.40 = 518,456,303,788.05 : x
  2. Step 2: Convert to fraction form
    935,595,490,785.90/1,291,129,358,109.40 = 518,456,303,788.05/x
  3. Step 3: Cross multiply
    935,595,490,785.90x = 1,291,129,358,109.40 × 518,456,303,788.05
  4. Step 4: Simplify right side
    935,595,490,785.90x = 669,394,154,717,636,968,054,784
  5. Step 5: Solve for x
    x = 669,394,154,717,636,968,054,784/935,595,490,785.90
  6. Step 6: Final answer
    x = 715,473,900,109.70

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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.