Home / 1,853,113,918.80-2,779,669,297.08-472,928,316.24

Finding the Fourth Proportional to 1,853,113,918.80, 2,779,669,297.08 and 472,928,316.24

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Solution

The fourth proportional to 1,853,113,918.80, 2,779,669,297.08 and 472,928,316.24 is: 709,392,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,113,918.80 : 2,779,669,297.08 = 472,928,316.24 : x
  2. Step 2: Convert to fraction form
    1,853,113,918.80/2,779,669,297.08 = 472,928,316.24/x
  3. Step 3: Cross multiply
    1,853,113,918.80x = 2,779,669,297.08 × 472,928,316.24
  4. Step 4: Simplify right side
    1,853,113,918.80x = 1,314,584,320,372,068,864
  5. Step 5: Solve for x
    x = 1,314,584,320,372,068,864/1,853,113,918.80
  6. Step 6: Final answer
    x = 709,392,070.85

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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.