Home / 330,210,398.10-455,663,263.05-194,399,078.34

Finding the Fourth Proportional to 330,210,398.10, 455,663,263.05 and 194,399,078.34

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Solution

The fourth proportional to 330,210,398.10, 455,663,263.05 and 194,399,078.34 is: 268,254,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,210,398.10 : 455,663,263.05 = 194,399,078.34 : x
  2. Step 2: Convert to fraction form
    330,210,398.10/455,663,263.05 = 194,399,078.34/x
  3. Step 3: Cross multiply
    330,210,398.10x = 455,663,263.05 × 194,399,078.34
  4. Step 4: Simplify right side
    330,210,398.10x = 88,580,518,370,316,976
  5. Step 5: Solve for x
    x = 88,580,518,370,316,976/330,210,398.10
  6. Step 6: Final answer
    x = 268,254,782.04

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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.