Home / 885,346,800.80-1,328,020,201.20-425,174,007.20

Finding the Fourth Proportional to 885,346,800.80, 1,328,020,201.20 and 425,174,007.20

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Solution

The fourth proportional to 885,346,800.80, 1,328,020,201.20 and 425,174,007.20 is: 637,761,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,346,800.80 : 1,328,020,201.20 = 425,174,007.20 : x
  2. Step 2: Convert to fraction form
    885,346,800.80/1,328,020,201.20 = 425,174,007.20/x
  3. Step 3: Cross multiply
    885,346,800.80x = 1,328,020,201.20 × 425,174,007.20
  4. Step 4: Simplify right side
    885,346,800.80x = 564,639,670,586,754,240
  5. Step 5: Solve for x
    x = 564,639,670,586,754,240/885,346,800.80
  6. Step 6: Final answer
    x = 637,761,010.80

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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.