Home / 670,427,246.10-1,005,683,377.14-210,383,572.98

Finding the Fourth Proportional to 670,427,246.10, 1,005,683,377.14 and 210,383,572.98

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Solution

The fourth proportional to 670,427,246.10, 1,005,683,377.14 and 210,383,572.98 is: 315,588,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,427,246.10 : 1,005,683,377.14 = 210,383,572.98 : x
  2. Step 2: Convert to fraction form
    670,427,246.10/1,005,683,377.14 = 210,383,572.98/x
  3. Step 3: Cross multiply
    670,427,246.10x = 1,005,683,377.14 × 210,383,572.98
  4. Step 4: Simplify right side
    670,427,246.10x = 211,579,262,169,306,048
  5. Step 5: Solve for x
    x = 211,579,262,169,306,048/670,427,246.10
  6. Step 6: Final answer
    x = 315,588,698.70

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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.