Home / 360,798,315.12-497,911,322.16-195,786,015.84

Finding the Fourth Proportional to 360,798,315.12, 497,911,322.16 and 195,786,015.84

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Solution

The fourth proportional to 360,798,315.12, 497,911,322.16 and 195,786,015.84 is: 270,189,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,798,315.12 : 497,911,322.16 = 195,786,015.84 : x
  2. Step 2: Convert to fraction form
    360,798,315.12/497,911,322.16 = 195,786,015.84/x
  3. Step 3: Cross multiply
    360,798,315.12x = 497,911,322.16 × 195,786,015.84
  4. Step 4: Simplify right side
    360,798,315.12x = 97,484,074,007,333,104
  5. Step 5: Solve for x
    x = 97,484,074,007,333,104/360,798,315.12
  6. Step 6: Final answer
    x = 270,189,936.93

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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.