Home / 1,390,564,187.60-2,085,846,281.40-873,357,933.20

Finding the Fourth Proportional to 1,390,564,187.60, 2,085,846,281.40 and 873,357,933.20

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Solution

The fourth proportional to 1,390,564,187.60, 2,085,846,281.40 and 873,357,933.20 is: 1,310,036,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,564,187.60 : 2,085,846,281.40 = 873,357,933.20 : x
  2. Step 2: Convert to fraction form
    1,390,564,187.60/2,085,846,281.40 = 873,357,933.20/x
  3. Step 3: Cross multiply
    1,390,564,187.60x = 2,085,846,281.40 × 873,357,933.20
  4. Step 4: Simplify right side
    1,390,564,187.60x = 1,821,690,397,296,409,856
  5. Step 5: Solve for x
    x = 1,821,690,397,296,409,856/1,390,564,187.60
  6. Step 6: Final answer
    x = 1,310,036,899.80

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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.