Home / 938,140,048.90-1,407,220,907.10-283,096,748.98

Finding the Fourth Proportional to 938,140,048.90, 1,407,220,907.10 and 283,096,748.98

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Solution

The fourth proportional to 938,140,048.90, 1,407,220,907.10 and 283,096,748.98 is: 424,648,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,140,048.90 : 1,407,220,907.10 = 283,096,748.98 : x
  2. Step 2: Convert to fraction form
    938,140,048.90/1,407,220,907.10 = 283,096,748.98/x
  3. Step 3: Cross multiply
    938,140,048.90x = 1,407,220,907.10 × 283,096,748.98
  4. Step 4: Simplify right side
    938,140,048.90x = 398,379,663,896,696,576
  5. Step 5: Solve for x
    x = 398,379,663,896,696,576/938,140,048.90
  6. Step 6: Final answer
    x = 424,648,392.70

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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.