Home / 1,011,339,412.80-1,395,761,654.88-571,334,608.32

Finding the Fourth Proportional to 1,011,339,412.80, 1,395,761,654.88 and 571,334,608.32

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Solution

The fourth proportional to 1,011,339,412.80, 1,395,761,654.88 and 571,334,608.32 is: 788,505,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,339,412.80 : 1,395,761,654.88 = 571,334,608.32 : x
  2. Step 2: Convert to fraction form
    1,011,339,412.80/1,395,761,654.88 = 571,334,608.32/x
  3. Step 3: Cross multiply
    1,011,339,412.80x = 1,395,761,654.88 × 571,334,608.32
  4. Step 4: Simplify right side
    1,011,339,412.80x = 797,446,938,398,939,904
  5. Step 5: Solve for x
    x = 797,446,938,398,939,904/1,011,339,412.80
  6. Step 6: Final answer
    x = 788,505,746.25

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Double scale
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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.