Home / 646,429,186.56-892,075,001.58-364,175,013.90

Finding the Fourth Proportional to 646,429,186.56, 892,075,001.58 and 364,175,013.90

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Solution

The fourth proportional to 646,429,186.56, 892,075,001.58 and 364,175,013.90 is: 502,563,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,429,186.56 : 892,075,001.58 = 364,175,013.90 : x
  2. Step 2: Convert to fraction form
    646,429,186.56/892,075,001.58 = 364,175,013.90/x
  3. Step 3: Cross multiply
    646,429,186.56x = 892,075,001.58 × 364,175,013.90
  4. Step 4: Simplify right side
    646,429,186.56x = 324,871,426,100,239,040
  5. Step 5: Solve for x
    x = 324,871,426,100,239,040/646,429,186.56
  6. Step 6: Final answer
    x = 502,563,053.86

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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.