Home / 3,159,407,770.40-4,739,111,655.60-1,609,725,814.40

Finding the Fourth Proportional to 3,159,407,770.40, 4,739,111,655.60 and 1,609,725,814.40

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Solution

The fourth proportional to 3,159,407,770.40, 4,739,111,655.60 and 1,609,725,814.40 is: 2,414,588,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,407,770.40 : 4,739,111,655.60 = 1,609,725,814.40 : x
  2. Step 2: Convert to fraction form
    3,159,407,770.40/4,739,111,655.60 = 1,609,725,814.40/x
  3. Step 3: Cross multiply
    3,159,407,770.40x = 4,739,111,655.60 × 1,609,725,814.40
  4. Step 4: Simplify right side
    3,159,407,770.40x = 7,628,670,369,343,243,264
  5. Step 5: Solve for x
    x = 7,628,670,369,343,243,264/3,159,407,770.40
  6. Step 6: Final answer
    x = 2,414,588,721.60

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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.