Home / 708,591,602.70-1,062,887,404.05-489,779,628.30

Finding the Fourth Proportional to 708,591,602.70, 1,062,887,404.05 and 489,779,628.30

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Solution

The fourth proportional to 708,591,602.70, 1,062,887,404.05 and 489,779,628.30 is: 734,669,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,591,602.70 : 1,062,887,404.05 = 489,779,628.30 : x
  2. Step 2: Convert to fraction form
    708,591,602.70/1,062,887,404.05 = 489,779,628.30/x
  3. Step 3: Cross multiply
    708,591,602.70x = 1,062,887,404.05 × 489,779,628.30
  4. Step 4: Simplify right side
    708,591,602.70x = 520,580,597,680,360,896
  5. Step 5: Solve for x
    x = 520,580,597,680,360,896/708,591,602.70
  6. Step 6: Final answer
    x = 734,669,442.45

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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.