Home / 658,876,973.76-908,422,931.52-482,358,516.48

Finding the Fourth Proportional to 658,876,973.76, 908,422,931.52 and 482,358,516.48

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Solution

The fourth proportional to 658,876,973.76, 908,422,931.52 and 482,358,516.48 is: 665,049,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,876,973.76 : 908,422,931.52 = 482,358,516.48 : x
  2. Step 2: Convert to fraction form
    658,876,973.76/908,422,931.52 = 482,358,516.48/x
  3. Step 3: Cross multiply
    658,876,973.76x = 908,422,931.52 × 482,358,516.48
  4. Step 4: Simplify right side
    658,876,973.76x = 438,185,537,584,399,808
  5. Step 5: Solve for x
    x = 438,185,537,584,399,808/658,876,973.76
  6. Step 6: Final answer
    x = 665,049,098.75

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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.