Home / 480,875,006,576.22-663,668,730,920.80-290,782,047,129.18

Finding the Fourth Proportional to 480,875,006,576.22, 663,668,730,920.80 and 290,782,047,129.18

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Solution

The fourth proportional to 480,875,006,576.22, 663,668,730,920.80 and 290,782,047,129.18 is: 401,316,245,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,875,006,576.22 : 663,668,730,920.80 = 290,782,047,129.18 : x
  2. Step 2: Convert to fraction form
    480,875,006,576.22/663,668,730,920.80 = 290,782,047,129.18/x
  3. Step 3: Cross multiply
    480,875,006,576.22x = 663,668,730,920.80 × 290,782,047,129.18
  4. Step 4: Simplify right side
    480,875,006,576.22x = 192,982,952,192,775,148,273,664
  5. Step 5: Solve for x
    x = 192,982,952,192,775,148,273,664/480,875,006,576.22
  6. Step 6: Final answer
    x = 401,316,245,497.54

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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.