Home / 5,260,513,915.56-7,890,705,031.68-1,276,631,031.45

Finding the Fourth Proportional to 5,260,513,915.56, 7,890,705,031.68 and 1,276,631,031.45

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Solution

The fourth proportional to 5,260,513,915.56, 7,890,705,031.68 and 1,276,631,031.45 is: 1,914,930,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260,513,915.56 : 7,890,705,031.68 = 1,276,631,031.45 : x
  2. Step 2: Convert to fraction form
    5,260,513,915.56/7,890,705,031.68 = 1,276,631,031.45/x
  3. Step 3: Cross multiply
    5,260,513,915.56x = 7,890,705,031.68 × 1,276,631,031.45
  4. Step 4: Simplify right side
    5,260,513,915.56x = 10,073,518,903,461,343,232
  5. Step 5: Solve for x
    x = 10,073,518,903,461,343,232/5,260,513,915.56
  6. Step 6: Final answer
    x = 1,914,930,568.60

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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.