Home / 3,329,390,818.42-4,594,557,732.33-1,991,280,885.10

Finding the Fourth Proportional to 3,329,390,818.42, 4,594,557,732.33 and 1,991,280,885.10

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Solution

The fourth proportional to 3,329,390,818.42, 4,594,557,732.33 and 1,991,280,885.10 is: 2,747,966,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329,390,818.42 : 4,594,557,732.33 = 1,991,280,885.10 : x
  2. Step 2: Convert to fraction form
    3,329,390,818.42/4,594,557,732.33 = 1,991,280,885.10/x
  3. Step 3: Cross multiply
    3,329,390,818.42x = 4,594,557,732.33 × 1,991,280,885.10
  4. Step 4: Simplify right side
    3,329,390,818.42x = 9,149,054,987,877,130,240
  5. Step 5: Solve for x
    x = 9,149,054,987,877,130,240/3,329,390,818.42
  6. Step 6: Final answer
    x = 2,747,966,666.23

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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.