Home / 1,585,166,298.36-2,187,267,022.60-916,173,639.92

Finding the Fourth Proportional to 1,585,166,298.36, 2,187,267,022.60 and 916,173,639.92

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Solution

The fourth proportional to 1,585,166,298.36, 2,187,267,022.60 and 916,173,639.92 is: 1,264,167,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,166,298.36 : 2,187,267,022.60 = 916,173,639.92 : x
  2. Step 2: Convert to fraction form
    1,585,166,298.36/2,187,267,022.60 = 916,173,639.92/x
  3. Step 3: Cross multiply
    1,585,166,298.36x = 2,187,267,022.60 × 916,173,639.92
  4. Step 4: Simplify right side
    1,585,166,298.36x = 2,003,916,389,572,422,656
  5. Step 5: Solve for x
    x = 2,003,916,389,572,422,656/1,585,166,298.36
  6. Step 6: Final answer
    x = 1,264,167,924.62

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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.