Home / 1,302,985,155.08-1,798,120,672.66-708,269,639.42

Finding the Fourth Proportional to 1,302,985,155.08, 1,798,120,672.66 and 708,269,639.42

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Solution

The fourth proportional to 1,302,985,155.08, 1,798,120,672.66 and 708,269,639.42 is: 977,412,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,985,155.08 : 1,798,120,672.66 = 708,269,639.42 : x
  2. Step 2: Convert to fraction form
    1,302,985,155.08/1,798,120,672.66 = 708,269,639.42/x
  3. Step 3: Cross multiply
    1,302,985,155.08x = 1,798,120,672.66 × 708,269,639.42
  4. Step 4: Simplify right side
    1,302,985,155.08x = 1,273,554,280,446,013,952
  5. Step 5: Solve for x
    x = 1,273,554,280,446,013,952/1,302,985,155.08
  6. Step 6: Final answer
    x = 977,412,732.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.