Home / 830,273,334.40-1,245,410,001.60-524,919,145.60

Finding the Fourth Proportional to 830,273,334.40, 1,245,410,001.60 and 524,919,145.60

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Solution

The fourth proportional to 830,273,334.40, 1,245,410,001.60 and 524,919,145.60 is: 787,378,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,273,334.40 : 1,245,410,001.60 = 524,919,145.60 : x
  2. Step 2: Convert to fraction form
    830,273,334.40/1,245,410,001.60 = 524,919,145.60/x
  3. Step 3: Cross multiply
    830,273,334.40x = 1,245,410,001.60 × 524,919,145.60
  4. Step 4: Simplify right side
    830,273,334.40x = 653,739,553,961,566,592
  5. Step 5: Solve for x
    x = 653,739,553,961,566,592/830,273,334.40
  6. Step 6: Final answer
    x = 787,378,718.40

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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.