Home / 5,878,818,019.70-8,818,227,029.55-5,429,856,662.90

Finding the Fourth Proportional to 5,878,818,019.70, 8,818,227,029.55 and 5,429,856,662.90

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Solution

The fourth proportional to 5,878,818,019.70, 8,818,227,029.55 and 5,429,856,662.90 is: 8,144,784,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878,818,019.70 : 8,818,227,029.55 = 5,429,856,662.90 : x
  2. Step 2: Convert to fraction form
    5,878,818,019.70/8,818,227,029.55 = 5,429,856,662.90/x
  3. Step 3: Cross multiply
    5,878,818,019.70x = 8,818,227,029.55 × 5,429,856,662.90
  4. Step 4: Simplify right side
    5,878,818,019.70x = 47,881,708,791,366,934,528
  5. Step 5: Solve for x
    x = 47,881,708,791,366,934,528/5,878,818,019.70
  6. Step 6: Final answer
    x = 8,144,784,994.35

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Double scale
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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.