Home / 893,470,573.20-1,340,205,859.80-663,888,061.20

Finding the Fourth Proportional to 893,470,573.20, 1,340,205,859.80 and 663,888,061.20

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Solution

The fourth proportional to 893,470,573.20, 1,340,205,859.80 and 663,888,061.20 is: 995,832,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,470,573.20 : 1,340,205,859.80 = 663,888,061.20 : x
  2. Step 2: Convert to fraction form
    893,470,573.20/1,340,205,859.80 = 663,888,061.20/x
  3. Step 3: Cross multiply
    893,470,573.20x = 1,340,205,859.80 × 663,888,061.20
  4. Step 4: Simplify right side
    893,470,573.20x = 889,746,669,871,501,056
  5. Step 5: Solve for x
    x = 889,746,669,871,501,056/893,470,573.20
  6. Step 6: Final answer
    x = 995,832,091.80

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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.