Home / 970,814,533.20-1,456,221,799.80-644,297,182.80

Finding the Fourth Proportional to 970,814,533.20, 1,456,221,799.80 and 644,297,182.80

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Solution

The fourth proportional to 970,814,533.20, 1,456,221,799.80 and 644,297,182.80 is: 966,445,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,814,533.20 : 1,456,221,799.80 = 644,297,182.80 : x
  2. Step 2: Convert to fraction form
    970,814,533.20/1,456,221,799.80 = 644,297,182.80/x
  3. Step 3: Cross multiply
    970,814,533.20x = 1,456,221,799.80 × 644,297,182.80
  4. Step 4: Simplify right side
    970,814,533.20x = 938,239,603,143,085,440
  5. Step 5: Solve for x
    x = 938,239,603,143,085,440/970,814,533.20
  6. Step 6: Final answer
    x = 966,445,774.20

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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.