Home / 977,886,986.80-1,466,830,480.20-322,939,098.40

Finding the Fourth Proportional to 977,886,986.80, 1,466,830,480.20 and 322,939,098.40

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Solution

The fourth proportional to 977,886,986.80, 1,466,830,480.20 and 322,939,098.40 is: 484,408,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,886,986.80 : 1,466,830,480.20 = 322,939,098.40 : x
  2. Step 2: Convert to fraction form
    977,886,986.80/1,466,830,480.20 = 322,939,098.40/x
  3. Step 3: Cross multiply
    977,886,986.80x = 1,466,830,480.20 × 322,939,098.40
  4. Step 4: Simplify right side
    977,886,986.80x = 473,696,912,781,427,008
  5. Step 5: Solve for x
    x = 473,696,912,781,427,008/977,886,986.80
  6. Step 6: Final answer
    x = 484,408,647.60

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1.5x scale

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.