Home / 368,636,390.20-552,950,798.04-213,091,225.64

Finding the Fourth Proportional to 368,636,390.20, 552,950,798.04 and 213,091,225.64

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Solution

The fourth proportional to 368,636,390.20, 552,950,798.04 and 213,091,225.64 is: 319,634,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,636,390.20 : 552,950,798.04 = 213,091,225.64 : x
  2. Step 2: Convert to fraction form
    368,636,390.20/552,950,798.04 = 213,091,225.64/x
  3. Step 3: Cross multiply
    368,636,390.20x = 552,950,798.04 × 213,091,225.64
  4. Step 4: Simplify right side
    368,636,390.20x = 117,828,963,272,959,696
  5. Step 5: Solve for x
    x = 117,828,963,272,959,696/368,636,390.20
  6. Step 6: Final answer
    x = 319,634,649.22

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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.