Home / 970,552,506.30-1,455,828,759.45-644,035,155.90

Finding the Fourth Proportional to 970,552,506.30, 1,455,828,759.45 and 644,035,155.90

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Solution

The fourth proportional to 970,552,506.30, 1,455,828,759.45 and 644,035,155.90 is: 966,052,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,552,506.30 : 1,455,828,759.45 = 644,035,155.90 : x
  2. Step 2: Convert to fraction form
    970,552,506.30/1,455,828,759.45 = 644,035,155.90/x
  3. Step 3: Cross multiply
    970,552,506.30x = 1,455,828,759.45 × 644,035,155.90
  4. Step 4: Simplify right side
    970,552,506.30x = 937,604,902,056,084,352
  5. Step 5: Solve for x
    x = 937,604,902,056,084,352/970,552,506.30
  6. Step 6: Final answer
    x = 966,052,733.85

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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.