Home / 752,970,486.63-1,039,124,505.41-418,457,108.16

Finding the Fourth Proportional to 752,970,486.63, 1,039,124,505.41 and 418,457,108.16

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Solution

The fourth proportional to 752,970,486.63, 1,039,124,505.41 and 418,457,108.16 is: 577,484,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,970,486.63 : 1,039,124,505.41 = 418,457,108.16 : x
  2. Step 2: Convert to fraction form
    752,970,486.63/1,039,124,505.41 = 418,457,108.16/x
  3. Step 3: Cross multiply
    752,970,486.63x = 1,039,124,505.41 × 418,457,108.16
  4. Step 4: Simplify right side
    752,970,486.63x = 434,829,035,549,966,592
  5. Step 5: Solve for x
    x = 434,829,035,549,966,592/752,970,486.63
  6. Step 6: Final answer
    x = 577,484,832.77

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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.