Home / 298,863,863.18-412,442,386.89-173,406,585.50

Finding the Fourth Proportional to 298,863,863.18, 412,442,386.89 and 173,406,585.50

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Solution

The fourth proportional to 298,863,863.18, 412,442,386.89 and 173,406,585.50 is: 239,307,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,863,863.18 : 412,442,386.89 = 173,406,585.50 : x
  2. Step 2: Convert to fraction form
    298,863,863.18/412,442,386.89 = 173,406,585.50/x
  3. Step 3: Cross multiply
    298,863,863.18x = 412,442,386.89 × 173,406,585.50
  4. Step 4: Simplify right side
    298,863,863.18x = 71,520,226,026,064,864
  5. Step 5: Solve for x
    x = 71,520,226,026,064,864/298,863,863.18
  6. Step 6: Final answer
    x = 239,307,038.55

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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.