Home / 1,853,121,603.20-2,779,680,174.40-472,936,259.20

Finding the Fourth Proportional to 1,853,121,603.20, 2,779,680,174.40 and 472,936,259.20

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Solution

The fourth proportional to 1,853,121,603.20, 2,779,680,174.40 and 472,936,259.20 is: 709,403,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,121,603.20 : 2,779,680,174.40 = 472,936,259.20 : x
  2. Step 2: Convert to fraction form
    1,853,121,603.20/2,779,680,174.40 = 472,936,259.20/x
  3. Step 3: Cross multiply
    1,853,121,603.20x = 2,779,680,174.40 × 472,936,259.20
  4. Step 4: Simplify right side
    1,853,121,603.20x = 1,314,611,543,453,139,712
  5. Step 5: Solve for x
    x = 1,314,611,543,453,139,712/1,853,121,603.20
  6. Step 6: Final answer
    x = 709,403,819.58

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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.