Home / 477,724,307,008.65-659,259,518,459.11-257,992,977,976.68

Finding the Fourth Proportional to 477,724,307,008.65, 659,259,518,459.11 and 257,992,977,976.68

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Solution

The fourth proportional to 477,724,307,008.65, 659,259,518,459.11 and 257,992,977,976.68 is: 356,030,295,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,307,008.65 : 659,259,518,459.11 = 257,992,977,976.68 : x
  2. Step 2: Convert to fraction form
    477,724,307,008.65/659,259,518,459.11 = 257,992,977,976.68/x
  3. Step 3: Cross multiply
    477,724,307,008.65x = 659,259,518,459.11 × 257,992,977,976.68
  4. Step 4: Simplify right side
    477,724,307,008.65x = 170,084,326,426,737,819,779,072
  5. Step 5: Solve for x
    x = 170,084,326,426,737,819,779,072/477,724,307,008.65
  6. Step 6: Final answer
    x = 356,030,295,991.74

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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.