Home / 708,533,637.85-1,062,728,698.47-191,016,392.05

Finding the Fourth Proportional to 708,533,637.85, 1,062,728,698.47 and 191,016,392.05

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Solution

The fourth proportional to 708,533,637.85, 1,062,728,698.47 and 191,016,392.05 is: 286,505,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,533,637.85 : 1,062,728,698.47 = 191,016,392.05 : x
  2. Step 2: Convert to fraction form
    708,533,637.85/1,062,728,698.47 = 191,016,392.05/x
  3. Step 3: Cross multiply
    708,533,637.85x = 1,062,728,698.47 × 191,016,392.05
  4. Step 4: Simplify right side
    708,533,637.85x = 202,998,601,709,731,776
  5. Step 5: Solve for x
    x = 202,998,601,709,731,776/708,533,637.85
  6. Step 6: Final answer
    x = 286,505,242.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.