Home / 466,865,305.54-644,571,259.71-290,911,795.18

Finding the Fourth Proportional to 466,865,305.54, 644,571,259.71 and 290,911,795.18

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Solution

The fourth proportional to 466,865,305.54, 644,571,259.71 and 290,911,795.18 is: 401,643,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,865,305.54 : 644,571,259.71 = 290,911,795.18 : x
  2. Step 2: Convert to fraction form
    466,865,305.54/644,571,259.71 = 290,911,795.18/x
  3. Step 3: Cross multiply
    466,865,305.54x = 644,571,259.71 × 290,911,795.18
  4. Step 4: Simplify right side
    466,865,305.54x = 187,513,382,282,058,688
  5. Step 5: Solve for x
    x = 187,513,382,282,058,688/466,865,305.54
  6. Step 6: Final answer
    x = 401,643,429.18

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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.