Home / 425,138,826.80-636,574,499.40-425,138,826.80

Finding the Fourth Proportional to 425,138,826.80, 636,574,499.40 and 425,138,826.80

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Solution

The fourth proportional to 425,138,826.80, 636,574,499.40 and 425,138,826.80 is: 636,574,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,138,826.80 : 636,574,499.40 = 425,138,826.80 : x
  2. Step 2: Convert to fraction form
    425,138,826.80/636,574,499.40 = 425,138,826.80/x
  3. Step 3: Cross multiply
    425,138,826.80x = 636,574,499.40 × 425,138,826.80
  4. Step 4: Simplify right side
    425,138,826.80x = 270,632,535,845,713,312
  5. Step 5: Solve for x
    x = 270,632,535,845,713,312/425,138,826.80
  6. Step 6: Final answer
    x = 636,574,499.40

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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.