Home / 919,937,297.52-1,269,319,458.60-585,288,972.72

Finding the Fourth Proportional to 919,937,297.52, 1,269,319,458.60 and 585,288,972.72

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Solution

The fourth proportional to 919,937,297.52, 1,269,319,458.60 and 585,288,972.72 is: 807,575,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,937,297.52 : 1,269,319,458.60 = 585,288,972.72 : x
  2. Step 2: Convert to fraction form
    919,937,297.52/1,269,319,458.60 = 585,288,972.72/x
  3. Step 3: Cross multiply
    919,937,297.52x = 1,269,319,458.60 × 585,288,972.72
  4. Step 4: Simplify right side
    919,937,297.52x = 742,918,681,977,500,544
  5. Step 5: Solve for x
    x = 742,918,681,977,500,544/919,937,297.52
  6. Step 6: Final answer
    x = 807,575,346.69

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1.5x scale

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.