Home / 935,595,490,806.80-1,291,129,358,138.30-518,456,303,809.04

Finding the Fourth Proportional to 935,595,490,806.80, 1,291,129,358,138.30 and 518,456,303,809.04

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Solution

The fourth proportional to 935,595,490,806.80, 1,291,129,358,138.30 and 518,456,303,809.04 is: 715,473,900,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,595,490,806.80 : 1,291,129,358,138.30 = 518,456,303,809.04 : x
  2. Step 2: Convert to fraction form
    935,595,490,806.80/1,291,129,358,138.30 = 518,456,303,809.04/x
  3. Step 3: Cross multiply
    935,595,490,806.80x = 1,291,129,358,138.30 × 518,456,303,809.04
  4. Step 4: Simplify right side
    935,595,490,806.80x = 669,394,154,759,721,339,322,368
  5. Step 5: Solve for x
    x = 669,394,154,759,721,339,322,368/935,595,490,806.80
  6. Step 6: Final answer
    x = 715,473,900,138.70

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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.