Home / 572,214,545.35-857,172,585.75-260,893,916.45

Finding the Fourth Proportional to 572,214,545.35, 857,172,585.75 and 260,893,916.45

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Solution

The fourth proportional to 572,214,545.35, 857,172,585.75 and 260,893,916.45 is: 390,816,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,214,545.35 : 857,172,585.75 = 260,893,916.45 : x
  2. Step 2: Convert to fraction form
    572,214,545.35/857,172,585.75 = 260,893,916.45/x
  3. Step 3: Cross multiply
    572,214,545.35x = 857,172,585.75 × 260,893,916.45
  4. Step 4: Simplify right side
    572,214,545.35x = 223,631,112,969,306,624
  5. Step 5: Solve for x
    x = 223,631,112,969,306,624/572,214,545.35
  6. Step 6: Final answer
    x = 390,816,896.89

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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.