Home / 407,963,800.98-562,830,207.21-251,058,503.34

Finding the Fourth Proportional to 407,963,800.98, 562,830,207.21 and 251,058,503.34

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Solution

The fourth proportional to 407,963,800.98, 562,830,207.21 and 251,058,503.34 is: 346,362,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,963,800.98 : 562,830,207.21 = 251,058,503.34 : x
  2. Step 2: Convert to fraction form
    407,963,800.98/562,830,207.21 = 251,058,503.34/x
  3. Step 3: Cross multiply
    407,963,800.98x = 562,830,207.21 × 251,058,503.34
  4. Step 4: Simplify right side
    407,963,800.98x = 141,303,309,456,684,688
  5. Step 5: Solve for x
    x = 141,303,309,456,684,688/407,963,800.98
  6. Step 6: Final answer
    x = 346,362,371.16

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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.