Home / 5,219,259,813.80-7,828,889,720.70-2,897,358,655.40

Finding the Fourth Proportional to 5,219,259,813.80, 7,828,889,720.70 and 2,897,358,655.40

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Solution

The fourth proportional to 5,219,259,813.80, 7,828,889,720.70 and 2,897,358,655.40 is: 4,346,037,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,259,813.80 : 7,828,889,720.70 = 2,897,358,655.40 : x
  2. Step 2: Convert to fraction form
    5,219,259,813.80/7,828,889,720.70 = 2,897,358,655.40/x
  3. Step 3: Cross multiply
    5,219,259,813.80x = 7,828,889,720.70 × 2,897,358,655.40
  4. Step 4: Simplify right side
    5,219,259,813.80x = 22,683,101,394,442,231,808
  5. Step 5: Solve for x
    x = 22,683,101,394,442,231,808/5,219,259,813.80
  6. Step 6: Final answer
    x = 4,346,037,983.10

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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.