Home / 298,938,245.76-412,535,036.07-166,779,262.85

Finding the Fourth Proportional to 298,938,245.76, 412,535,036.07 and 166,779,262.85

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Solution

The fourth proportional to 298,938,245.76, 412,535,036.07 and 166,779,262.85 is: 230,155,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,938,245.76 : 412,535,036.07 = 166,779,262.85 : x
  2. Step 2: Convert to fraction form
    298,938,245.76/412,535,036.07 = 166,779,262.85/x
  3. Step 3: Cross multiply
    298,938,245.76x = 412,535,036.07 × 166,779,262.85
  4. Step 4: Simplify right side
    298,938,245.76x = 68,802,289,213,490,088
  5. Step 5: Solve for x
    x = 68,802,289,213,490,088/298,938,245.76
  6. Step 6: Final answer
    x = 230,155,526.06

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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.