Home / 939,776,093.40-1,409,664,140.10-572,444,074.20

Finding the Fourth Proportional to 939,776,093.40, 1,409,664,140.10 and 572,444,074.20

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Solution

The fourth proportional to 939,776,093.40, 1,409,664,140.10 and 572,444,074.20 is: 858,666,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,776,093.40 : 1,409,664,140.10 = 572,444,074.20 : x
  2. Step 2: Convert to fraction form
    939,776,093.40/1,409,664,140.10 = 572,444,074.20/x
  3. Step 3: Cross multiply
    939,776,093.40x = 1,409,664,140.10 × 572,444,074.20
  4. Step 4: Simplify right side
    939,776,093.40x = 806,953,883,612,483,584
  5. Step 5: Solve for x
    x = 806,953,883,612,483,584/939,776,093.40
  6. Step 6: Final answer
    x = 858,666,111.30

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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.