Home / 1,262,139,017.28-1,893,411,946.08-388,740,096.96

Finding the Fourth Proportional to 1,262,139,017.28, 1,893,411,946.08 and 388,740,096.96

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Solution

The fourth proportional to 1,262,139,017.28, 1,893,411,946.08 and 388,740,096.96 is: 583,172,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,139,017.28 : 1,893,411,946.08 = 388,740,096.96 : x
  2. Step 2: Convert to fraction form
    1,262,139,017.28/1,893,411,946.08 = 388,740,096.96/x
  3. Step 3: Cross multiply
    1,262,139,017.28x = 1,893,411,946.08 × 388,740,096.96
  4. Step 4: Simplify right side
    1,262,139,017.28x = 736,045,143,504,361,472
  5. Step 5: Solve for x
    x = 736,045,143,504,361,472/1,262,139,017.28
  6. Step 6: Final answer
    x = 583,172,799.06

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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.