Home / 358,511,058.40-537,766,587.60-212,869,652.35

Finding the Fourth Proportional to 358,511,058.40, 537,766,587.60 and 212,869,652.35

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Solution

The fourth proportional to 358,511,058.40, 537,766,587.60 and 212,869,652.35 is: 319,304,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,511,058.40 : 537,766,587.60 = 212,869,652.35 : x
  2. Step 2: Convert to fraction form
    358,511,058.40/537,766,587.60 = 212,869,652.35/x
  3. Step 3: Cross multiply
    358,511,058.40x = 537,766,587.60 × 212,869,652.35
  4. Step 4: Simplify right side
    358,511,058.40x = 114,474,186,547,857,824
  5. Step 5: Solve for x
    x = 114,474,186,547,857,824/358,511,058.40
  6. Step 6: Final answer
    x = 319,304,478.53

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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.