Home / 831,868,221.15-1,148,014,017.30-460,590,285.33

Finding the Fourth Proportional to 831,868,221.15, 1,148,014,017.30 and 460,590,285.33

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Solution

The fourth proportional to 831,868,221.15, 1,148,014,017.30 and 460,590,285.33 is: 635,634,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,868,221.15 : 1,148,014,017.30 = 460,590,285.33 : x
  2. Step 2: Convert to fraction form
    831,868,221.15/1,148,014,017.30 = 460,590,285.33/x
  3. Step 3: Cross multiply
    831,868,221.15x = 1,148,014,017.30 × 460,590,285.33
  4. Step 4: Simplify right side
    831,868,221.15x = 528,764,103,792,796,800
  5. Step 5: Solve for x
    x = 528,764,103,792,796,800/831,868,221.15
  6. Step 6: Final answer
    x = 635,634,455.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.