Home / 1,179,888,315.60-1,771,848,012.60-772,749,397.20

Finding the Fourth Proportional to 1,179,888,315.60, 1,771,848,012.60 and 772,749,397.20

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Solution

The fourth proportional to 1,179,888,315.60, 1,771,848,012.60 and 772,749,397.20 is: 1,160,444,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,888,315.60 : 1,771,848,012.60 = 772,749,397.20 : x
  2. Step 2: Convert to fraction form
    1,179,888,315.60/1,771,848,012.60 = 772,749,397.20/x
  3. Step 3: Cross multiply
    1,179,888,315.60x = 1,771,848,012.60 × 772,749,397.20
  4. Step 4: Simplify right side
    1,179,888,315.60x = 1,369,194,483,666,668,032
  5. Step 5: Solve for x
    x = 1,369,194,483,666,668,032/1,179,888,315.60
  6. Step 6: Final answer
    x = 1,160,444,141.67

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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.