Home / 1,343,952,537.60-2,015,928,806.40-423,921,878.40

Finding the Fourth Proportional to 1,343,952,537.60, 2,015,928,806.40 and 423,921,878.40

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Solution

The fourth proportional to 1,343,952,537.60, 2,015,928,806.40 and 423,921,878.40 is: 635,882,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,952,537.60 : 2,015,928,806.40 = 423,921,878.40 : x
  2. Step 2: Convert to fraction form
    1,343,952,537.60/2,015,928,806.40 = 423,921,878.40/x
  3. Step 3: Cross multiply
    1,343,952,537.60x = 2,015,928,806.40 × 423,921,878.40
  4. Step 4: Simplify right side
    1,343,952,537.60x = 854,596,326,329,757,952
  5. Step 5: Solve for x
    x = 854,596,326,329,757,952/1,343,952,537.60
  6. Step 6: Final answer
    x = 635,882,817.60

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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.