Home / 660,101,239.98-910,741,061.30-395,686,756.22

Finding the Fourth Proportional to 660,101,239.98, 910,741,061.30 and 395,686,756.22

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Solution

The fourth proportional to 660,101,239.98, 910,741,061.30 and 395,686,756.22 is: 545,928,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,101,239.98 : 910,741,061.30 = 395,686,756.22 : x
  2. Step 2: Convert to fraction form
    660,101,239.98/910,741,061.30 = 395,686,756.22/x
  3. Step 3: Cross multiply
    660,101,239.98x = 910,741,061.30 × 395,686,756.22
  4. Step 4: Simplify right side
    660,101,239.98x = 360,368,176,302,157,184
  5. Step 5: Solve for x
    x = 360,368,176,302,157,184/660,101,239.98
  6. Step 6: Final answer
    x = 545,928,646.21

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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.