Home / 653,220,912.60-979,831,368.90-530,776,906.20

Finding the Fourth Proportional to 653,220,912.60, 979,831,368.90 and 530,776,906.20

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Solution

The fourth proportional to 653,220,912.60, 979,831,368.90 and 530,776,906.20 is: 796,165,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,220,912.60 : 979,831,368.90 = 530,776,906.20 : x
  2. Step 2: Convert to fraction form
    653,220,912.60/979,831,368.90 = 530,776,906.20/x
  3. Step 3: Cross multiply
    653,220,912.60x = 979,831,368.90 × 530,776,906.20
  4. Step 4: Simplify right side
    653,220,912.60x = 520,071,862,582,452,864
  5. Step 5: Solve for x
    x = 520,071,862,582,452,864/653,220,912.60
  6. Step 6: Final answer
    x = 796,165,359.30

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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.