Home / 1,585,166,294.38-2,187,267,017.08-916,173,635.93

Finding the Fourth Proportional to 1,585,166,294.38, 2,187,267,017.08 and 916,173,635.93

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Solution

The fourth proportional to 1,585,166,294.38, 2,187,267,017.08 and 916,173,635.93 is: 1,264,167,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,166,294.38 : 2,187,267,017.08 = 916,173,635.93 : x
  2. Step 2: Convert to fraction form
    1,585,166,294.38/2,187,267,017.08 = 916,173,635.93/x
  3. Step 3: Cross multiply
    1,585,166,294.38x = 2,187,267,017.08 × 916,173,635.93
  4. Step 4: Simplify right side
    1,585,166,294.38x = 2,003,916,375,784,573,696
  5. Step 5: Solve for x
    x = 2,003,916,375,784,573,696/1,585,166,294.38
  6. Step 6: Final answer
    x = 1,264,167,919.09

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Double scale
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1.5x scale

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.