Home / 977,886,010.80-1,466,829,016.20-322,938,122.40

Finding the Fourth Proportional to 977,886,010.80, 1,466,829,016.20 and 322,938,122.40

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Solution

The fourth proportional to 977,886,010.80, 1,466,829,016.20 and 322,938,122.40 is: 484,407,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,886,010.80 : 1,466,829,016.20 = 322,938,122.40 : x
  2. Step 2: Convert to fraction form
    977,886,010.80/1,466,829,016.20 = 322,938,122.40/x
  3. Step 3: Cross multiply
    977,886,010.80x = 1,466,829,016.20 × 322,938,122.40
  4. Step 4: Simplify right side
    977,886,010.80x = 473,695,008,373,467,136
  5. Step 5: Solve for x
    x = 473,695,008,373,467,136/977,886,010.80
  6. Step 6: Final answer
    x = 484,407,183.60

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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.