Home / 907,545,390.40-1,361,318,085.60-597,608,999.20

Finding the Fourth Proportional to 907,545,390.40, 1,361,318,085.60 and 597,608,999.20

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Solution

The fourth proportional to 907,545,390.40, 1,361,318,085.60 and 597,608,999.20 is: 896,413,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,545,390.40 : 1,361,318,085.60 = 597,608,999.20 : x
  2. Step 2: Convert to fraction form
    907,545,390.40/1,361,318,085.60 = 597,608,999.20/x
  3. Step 3: Cross multiply
    907,545,390.40x = 1,361,318,085.60 × 597,608,999.20
  4. Step 4: Simplify right side
    907,545,390.40x = 813,535,938,728,275,968
  5. Step 5: Solve for x
    x = 813,535,938,728,275,968/907,545,390.40
  6. Step 6: Final answer
    x = 896,413,498.80

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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.