Home / 1,185,140,556.70-1,635,472,086.16-656,492,943.45

Finding the Fourth Proportional to 1,185,140,556.70, 1,635,472,086.16 and 656,492,943.45

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Solution

The fourth proportional to 1,185,140,556.70, 1,635,472,086.16 and 656,492,943.45 is: 905,948,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,140,556.70 : 1,635,472,086.16 = 656,492,943.45 : x
  2. Step 2: Convert to fraction form
    1,185,140,556.70/1,635,472,086.16 = 656,492,943.45/x
  3. Step 3: Cross multiply
    1,185,140,556.70x = 1,635,472,086.16 × 656,492,943.45
  4. Step 4: Simplify right side
    1,185,140,556.70x = 1,073,675,883,779,245,952
  5. Step 5: Solve for x
    x = 1,073,675,883,779,245,952/1,185,140,556.70
  6. Step 6: Final answer
    x = 905,948,140.68

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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.