Home / 516,662,579.78-774,778,385.98-162,045,497.58

Finding the Fourth Proportional to 516,662,579.78, 774,778,385.98 and 162,045,497.58

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Solution

The fourth proportional to 516,662,579.78, 774,778,385.98 and 162,045,497.58 is: 243,000,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,662,579.78 : 774,778,385.98 = 162,045,497.58 : x
  2. Step 2: Convert to fraction form
    516,662,579.78/774,778,385.98 = 162,045,497.58/x
  3. Step 3: Cross multiply
    516,662,579.78x = 774,778,385.98 × 162,045,497.58
  4. Step 4: Simplify right side
    516,662,579.78x = 125,549,349,070,358,416
  5. Step 5: Solve for x
    x = 125,549,349,070,358,416/516,662,579.78
  6. Step 6: Final answer
    x = 243,000,662.30

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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.