Home / 3,919,212,008.70-5,878,818,013.05-1,742,429,672.70

Finding the Fourth Proportional to 3,919,212,008.70, 5,878,818,013.05 and 1,742,429,672.70

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Solution

The fourth proportional to 3,919,212,008.70, 5,878,818,013.05 and 1,742,429,672.70 is: 2,613,644,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,212,008.70 : 5,878,818,013.05 = 1,742,429,672.70 : x
  2. Step 2: Convert to fraction form
    3,919,212,008.70/5,878,818,013.05 = 1,742,429,672.70/x
  3. Step 3: Cross multiply
    3,919,212,008.70x = 5,878,818,013.05 × 1,742,429,672.70
  4. Step 4: Simplify right side
    3,919,212,008.70x = 10,243,426,946,341,576,704
  5. Step 5: Solve for x
    x = 10,243,426,946,341,576,704/3,919,212,008.70
  6. Step 6: Final answer
    x = 2,613,644,509.05

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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.