Home / 368,417,048.64-508,460,114.52-209,685,767.28

Finding the Fourth Proportional to 368,417,048.64, 508,460,114.52 and 209,685,767.28

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Solution

The fourth proportional to 368,417,048.64, 508,460,114.52 and 209,685,767.28 is: 289,391,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,417,048.64 : 508,460,114.52 = 209,685,767.28 : x
  2. Step 2: Convert to fraction form
    368,417,048.64/508,460,114.52 = 209,685,767.28/x
  3. Step 3: Cross multiply
    368,417,048.64x = 508,460,114.52 × 209,685,767.28
  4. Step 4: Simplify right side
    368,417,048.64x = 106,616,849,244,402,864
  5. Step 5: Solve for x
    x = 106,616,849,244,402,864/368,417,048.64
  6. Step 6: Final answer
    x = 289,391,735.91

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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.