Home / 1,301,230,048.32-1,795,699,631.52-714,556,353.60

Finding the Fourth Proportional to 1,301,230,048.32, 1,795,699,631.52 and 714,556,353.60

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Solution

The fourth proportional to 1,301,230,048.32, 1,795,699,631.52 and 714,556,353.60 is: 986,088,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,230,048.32 : 1,795,699,631.52 = 714,556,353.60 : x
  2. Step 2: Convert to fraction form
    1,301,230,048.32/1,795,699,631.52 = 714,556,353.60/x
  3. Step 3: Cross multiply
    1,301,230,048.32x = 1,795,699,631.52 × 714,556,353.60
  4. Step 4: Simplify right side
    1,301,230,048.32x = 1,283,128,580,859,794,944
  5. Step 5: Solve for x
    x = 1,283,128,580,859,794,944/1,301,230,048.32
  6. Step 6: Final answer
    x = 986,088,956.77

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Double scale
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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.