Home / 340,863,246.40-511,294,869.60-284,176,206.40

Finding the Fourth Proportional to 340,863,246.40, 511,294,869.60 and 284,176,206.40

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Solution

The fourth proportional to 340,863,246.40, 511,294,869.60 and 284,176,206.40 is: 426,264,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,863,246.40 : 511,294,869.60 = 284,176,206.40 : x
  2. Step 2: Convert to fraction form
    340,863,246.40/511,294,869.60 = 284,176,206.40/x
  3. Step 3: Cross multiply
    340,863,246.40x = 511,294,869.60 × 284,176,206.40
  4. Step 4: Simplify right side
    340,863,246.40x = 145,297,836,394,710,688
  5. Step 5: Solve for x
    x = 145,297,836,394,710,688/340,863,246.40
  6. Step 6: Final answer
    x = 426,264,309.60

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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.