Home / 1,857,492,485.60-2,786,238,728.40-1,715,438,306.30

Finding the Fourth Proportional to 1,857,492,485.60, 2,786,238,728.40 and 1,715,438,306.30

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Solution

The fourth proportional to 1,857,492,485.60, 2,786,238,728.40 and 1,715,438,306.30 is: 2,573,157,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,492,485.60 : 2,786,238,728.40 = 1,715,438,306.30 : x
  2. Step 2: Convert to fraction form
    1,857,492,485.60/2,786,238,728.40 = 1,715,438,306.30/x
  3. Step 3: Cross multiply
    1,857,492,485.60x = 2,786,238,728.40 × 1,715,438,306.30
  4. Step 4: Simplify right side
    1,857,492,485.60x = 4,779,620,645,193,961,472
  5. Step 5: Solve for x
    x = 4,779,620,645,193,961,472/1,857,492,485.60
  6. Step 6: Final answer
    x = 2,573,157,459.45

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Double scale
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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.