Home / 305,534,744,355.28-421,660,232,019.64-177,109,348,242.64

Finding the Fourth Proportional to 305,534,744,355.28, 421,660,232,019.64 and 177,109,348,242.64

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Solution

The fourth proportional to 305,534,744,355.28, 421,660,232,019.64 and 177,109,348,242.64 is: 244,423,818,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,534,744,355.28 : 421,660,232,019.64 = 177,109,348,242.64 : x
  2. Step 2: Convert to fraction form
    305,534,744,355.28/421,660,232,019.64 = 177,109,348,242.64/x
  3. Step 3: Cross multiply
    305,534,744,355.28x = 421,660,232,019.64 × 177,109,348,242.64
  4. Step 4: Simplify right side
    305,534,744,355.28x = 74,679,968,872,838,813,712,384
  5. Step 5: Solve for x
    x = 74,679,968,872,838,813,712,384/305,534,744,355.28
  6. Step 6: Final answer
    x = 244,423,818,411.96

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1.5x scale

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.