Home / 848,566,412.27-1,171,013,188.29-472,216,553.72

Finding the Fourth Proportional to 848,566,412.27, 1,171,013,188.29 and 472,216,553.72

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Solution

The fourth proportional to 848,566,412.27, 1,171,013,188.29 and 472,216,553.72 is: 651,654,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,566,412.27 : 1,171,013,188.29 = 472,216,553.72 : x
  2. Step 2: Convert to fraction form
    848,566,412.27/1,171,013,188.29 = 472,216,553.72/x
  3. Step 3: Cross multiply
    848,566,412.27x = 1,171,013,188.29 × 472,216,553.72
  4. Step 4: Simplify right side
    848,566,412.27x = 552,971,812,134,973,248
  5. Step 5: Solve for x
    x = 552,971,812,134,973,248/848,566,412.27
  6. Step 6: Final answer
    x = 651,654,135.89

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Double scale
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1.5x scale

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.