Home / 345,570,490.32-476,878,120.11-204,448,989.98

Finding the Fourth Proportional to 345,570,490.32, 476,878,120.11 and 204,448,989.98

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Solution

The fourth proportional to 345,570,490.32, 476,878,120.11 and 204,448,989.98 is: 282,134,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,570,490.32 : 476,878,120.11 = 204,448,989.98 : x
  2. Step 2: Convert to fraction form
    345,570,490.32/476,878,120.11 = 204,448,989.98/x
  3. Step 3: Cross multiply
    345,570,490.32x = 476,878,120.11 × 204,448,989.98
  4. Step 4: Simplify right side
    345,570,490.32x = 97,497,249,997,666,240
  5. Step 5: Solve for x
    x = 97,497,249,997,666,240/345,570,490.32
  6. Step 6: Final answer
    x = 282,134,188.91

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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.