Home / 1,317,264,031.56-1,973,261,428.58-792,343,369.76

Finding the Fourth Proportional to 1,317,264,031.56, 1,973,261,428.58 and 792,343,369.76

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Solution

The fourth proportional to 1,317,264,031.56, 1,973,261,428.58 and 792,343,369.76 is: 1,186,930,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,264,031.56 : 1,973,261,428.58 = 792,343,369.76 : x
  2. Step 2: Convert to fraction form
    1,317,264,031.56/1,973,261,428.58 = 792,343,369.76/x
  3. Step 3: Cross multiply
    1,317,264,031.56x = 1,973,261,428.58 × 792,343,369.76
  4. Step 4: Simplify right side
    1,317,264,031.56x = 1,563,500,609,738,508,800
  5. Step 5: Solve for x
    x = 1,563,500,609,738,508,800/1,317,264,031.56
  6. Step 6: Final answer
    x = 1,186,930,313.35

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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.