Home / 477,724,307,011.65-659,259,518,463.24-257,992,977,979.66

Finding the Fourth Proportional to 477,724,307,011.65, 659,259,518,463.24 and 257,992,977,979.66

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Solution

The fourth proportional to 477,724,307,011.65, 659,259,518,463.24 and 257,992,977,979.66 is: 356,030,295,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,307,011.65 : 659,259,518,463.24 = 257,992,977,979.66 : x
  2. Step 2: Convert to fraction form
    477,724,307,011.65/659,259,518,463.24 = 257,992,977,979.66/x
  3. Step 3: Cross multiply
    477,724,307,011.65x = 659,259,518,463.24 × 257,992,977,979.66
  4. Step 4: Simplify right side
    477,724,307,011.65x = 170,084,326,429,767,919,206,400
  5. Step 5: Solve for x
    x = 170,084,326,429,767,919,206,400/477,724,307,011.65
  6. Step 6: Final answer
    x = 356,030,295,995.85

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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.