Home / 1,209,154,855,421.30-1,813,739,062,990.50-403,319,584,378.59

Finding the Fourth Proportional to 1,209,154,855,421.30, 1,813,739,062,990.50 and 403,319,584,378.59

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Solution

The fourth proportional to 1,209,154,855,421.30, 1,813,739,062,990.50 and 403,319,584,378.59 is: 604,981,638,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,154,855,421.30 : 1,813,739,062,990.50 = 403,319,584,378.59 : x
  2. Step 2: Convert to fraction form
    1,209,154,855,421.30/1,813,739,062,990.50 = 403,319,584,378.59/x
  3. Step 3: Cross multiply
    1,209,154,855,421.30x = 1,813,739,062,990.50 × 403,319,584,378.59
  4. Step 4: Simplify right side
    1,209,154,855,421.30x = 731,516,485,056,541,826,744,320
  5. Step 5: Solve for x
    x = 731,516,485,056,541,826,744,320/1,209,154,855,421.30
  6. Step 6: Final answer
    x = 604,981,638,023.25

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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.