Home / 449,064,006.40-673,596,009.60-207,199,302.40

Finding the Fourth Proportional to 449,064,006.40, 673,596,009.60 and 207,199,302.40

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Solution

The fourth proportional to 449,064,006.40, 673,596,009.60 and 207,199,302.40 is: 310,798,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,064,006.40 : 673,596,009.60 = 207,199,302.40 : x
  2. Step 2: Convert to fraction form
    449,064,006.40/673,596,009.60 = 207,199,302.40/x
  3. Step 3: Cross multiply
    449,064,006.40x = 673,596,009.60 × 207,199,302.40
  4. Step 4: Simplify right side
    449,064,006.40x = 139,568,623,288,543,712
  5. Step 5: Solve for x
    x = 139,568,623,288,543,712/449,064,006.40
  6. Step 6: Final answer
    x = 310,798,953.60

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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.