Home / 10,077,732,869.40-15,116,599,304.10-5,179,972,613.40

Finding the Fourth Proportional to 10,077,732,869.40, 15,116,599,304.10 and 5,179,972,613.40

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Solution

The fourth proportional to 10,077,732,869.40, 15,116,599,304.10 and 5,179,972,613.40 is: 7,769,958,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,732,869.40 : 15,116,599,304.10 = 5,179,972,613.40 : x
  2. Step 2: Convert to fraction form
    10,077,732,869.40/15,116,599,304.10 = 5,179,972,613.40/x
  3. Step 3: Cross multiply
    10,077,732,869.40x = 15,116,599,304.10 × 5,179,972,613.40
  4. Step 4: Simplify right side
    10,077,732,869.40x = 78,303,570,402,979,495,936
  5. Step 5: Solve for x
    x = 78,303,570,402,979,495,936/10,077,732,869.40
  6. Step 6: Final answer
    x = 7,769,958,920.10

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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.