Home / 1,010,993,973.80-1,516,490,960.70-397,598,210.60

Finding the Fourth Proportional to 1,010,993,973.80, 1,516,490,960.70 and 397,598,210.60

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Solution

The fourth proportional to 1,010,993,973.80, 1,516,490,960.70 and 397,598,210.60 is: 596,397,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,993,973.80 : 1,516,490,960.70 = 397,598,210.60 : x
  2. Step 2: Convert to fraction form
    1,010,993,973.80/1,516,490,960.70 = 397,598,210.60/x
  3. Step 3: Cross multiply
    1,010,993,973.80x = 1,516,490,960.70 × 397,598,210.60
  4. Step 4: Simplify right side
    1,010,993,973.80x = 602,954,092,365,394,944
  5. Step 5: Solve for x
    x = 602,954,092,365,394,944/1,010,993,973.80
  6. Step 6: Final answer
    x = 596,397,315.90

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Half scale
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Double scale
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Similar ratio
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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.