Home / 1,191,495,560.14-1,787,501,889.15-362,427,655.05

Finding the Fourth Proportional to 1,191,495,560.14, 1,787,501,889.15 and 362,427,655.05

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Solution

The fourth proportional to 1,191,495,560.14, 1,787,501,889.15 and 362,427,655.05 is: 543,720,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,495,560.14 : 1,787,501,889.15 = 362,427,655.05 : x
  2. Step 2: Convert to fraction form
    1,191,495,560.14/1,787,501,889.15 = 362,427,655.05/x
  3. Step 3: Cross multiply
    1,191,495,560.14x = 1,787,501,889.15 × 362,427,655.05
  4. Step 4: Simplify right side
    1,191,495,560.14x = 647,840,118,084,733,440
  5. Step 5: Solve for x
    x = 647,840,118,084,733,440/1,191,495,560.14
  6. Step 6: Final answer
    x = 543,720,127.68

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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.