Home / 992,737,211.40-1,489,105,817.10-265,725,923.40

Finding the Fourth Proportional to 992,737,211.40, 1,489,105,817.10 and 265,725,923.40

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Solution

The fourth proportional to 992,737,211.40, 1,489,105,817.10 and 265,725,923.40 is: 398,588,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,737,211.40 : 1,489,105,817.10 = 265,725,923.40 : x
  2. Step 2: Convert to fraction form
    992,737,211.40/1,489,105,817.10 = 265,725,923.40/x
  3. Step 3: Cross multiply
    992,737,211.40x = 1,489,105,817.10 × 265,725,923.40
  4. Step 4: Simplify right side
    992,737,211.40x = 395,694,018,289,209,024
  5. Step 5: Solve for x
    x = 395,694,018,289,209,024/992,737,211.40
  6. Step 6: Final answer
    x = 398,588,885.10

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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.