Home / 708,027,476.57-1,061,860,058.07-209,921,516.62

Finding the Fourth Proportional to 708,027,476.57, 1,061,860,058.07 and 209,921,516.62

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Solution

The fourth proportional to 708,027,476.57, 1,061,860,058.07 and 209,921,516.62 is: 314,828,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,027,476.57 : 1,061,860,058.07 = 209,921,516.62 : x
  2. Step 2: Convert to fraction form
    708,027,476.57/1,061,860,058.07 = 209,921,516.62/x
  3. Step 3: Cross multiply
    708,027,476.57x = 1,061,860,058.07 × 209,921,516.62
  4. Step 4: Simplify right side
    708,027,476.57x = 222,907,273,828,785,312
  5. Step 5: Solve for x
    x = 222,907,273,828,785,312/708,027,476.57
  6. Step 6: Final answer
    x = 314,828,564.15

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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.