Home / 1,160,640,271.80-1,740,960,407.70-384,405,737.40

Finding the Fourth Proportional to 1,160,640,271.80, 1,740,960,407.70 and 384,405,737.40

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Solution

The fourth proportional to 1,160,640,271.80, 1,740,960,407.70 and 384,405,737.40 is: 576,608,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,640,271.80 : 1,740,960,407.70 = 384,405,737.40 : x
  2. Step 2: Convert to fraction form
    1,160,640,271.80/1,740,960,407.70 = 384,405,737.40/x
  3. Step 3: Cross multiply
    1,160,640,271.80x = 1,740,960,407.70 × 384,405,737.40
  4. Step 4: Simplify right side
    1,160,640,271.80x = 669,235,169,306,123,136
  5. Step 5: Solve for x
    x = 669,235,169,306,123,136/1,160,640,271.80
  6. Step 6: Final answer
    x = 576,608,606.10

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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.