Home / 517,441,038.60-775,778,918.64-312,923,646.12

Finding the Fourth Proportional to 517,441,038.60, 775,778,918.64 and 312,923,646.12

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Solution

The fourth proportional to 517,441,038.60, 775,778,918.64 and 312,923,646.12 is: 469,154,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,441,038.60 : 775,778,918.64 = 312,923,646.12 : x
  2. Step 2: Convert to fraction form
    517,441,038.60/775,778,918.64 = 312,923,646.12/x
  3. Step 3: Cross multiply
    517,441,038.60x = 775,778,918.64 × 312,923,646.12
  4. Step 4: Simplify right side
    517,441,038.60x = 242,759,567,803,859,616
  5. Step 5: Solve for x
    x = 242,759,567,803,859,616/517,441,038.60
  6. Step 6: Final answer
    x = 469,154,067.22

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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.