Home / 876,919,826.48-1,210,305,285.32-524,534,585.40

Finding the Fourth Proportional to 876,919,826.48, 1,210,305,285.32 and 524,534,585.40

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Solution

The fourth proportional to 876,919,826.48, 1,210,305,285.32 and 524,534,585.40 is: 723,950,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,919,826.48 : 1,210,305,285.32 = 524,534,585.40 : x
  2. Step 2: Convert to fraction form
    876,919,826.48/1,210,305,285.32 = 524,534,585.40/x
  3. Step 3: Cross multiply
    876,919,826.48x = 1,210,305,285.32 × 524,534,585.40
  4. Step 4: Simplify right side
    876,919,826.48x = 634,846,981,040,132,224
  5. Step 5: Solve for x
    x = 634,846,981,040,132,224/876,919,826.48
  6. Step 6: Final answer
    x = 723,950,995.15

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1.5x scale

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.