Home / 1,294,774,864.40-1,942,162,296.60-476,780,877.20

Finding the Fourth Proportional to 1,294,774,864.40, 1,942,162,296.60 and 476,780,877.20

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Solution

The fourth proportional to 1,294,774,864.40, 1,942,162,296.60 and 476,780,877.20 is: 715,171,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,774,864.40 : 1,942,162,296.60 = 476,780,877.20 : x
  2. Step 2: Convert to fraction form
    1,294,774,864.40/1,942,162,296.60 = 476,780,877.20/x
  3. Step 3: Cross multiply
    1,294,774,864.40x = 1,942,162,296.60 × 476,780,877.20
  4. Step 4: Simplify right side
    1,294,774,864.40x = 925,985,843,437,714,560
  5. Step 5: Solve for x
    x = 925,985,843,437,714,560/1,294,774,864.40
  6. Step 6: Final answer
    x = 715,171,315.80

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1.5x scale

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.