Home / 629,871,931.80-944,807,897.70-199,050,427.80

Finding the Fourth Proportional to 629,871,931.80, 944,807,897.70 and 199,050,427.80

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Solution

The fourth proportional to 629,871,931.80, 944,807,897.70 and 199,050,427.80 is: 298,575,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,871,931.80 : 944,807,897.70 = 199,050,427.80 : x
  2. Step 2: Convert to fraction form
    629,871,931.80/944,807,897.70 = 199,050,427.80/x
  3. Step 3: Cross multiply
    629,871,931.80x = 944,807,897.70 × 199,050,427.80
  4. Step 4: Simplify right side
    629,871,931.80x = 188,064,416,226,003,648
  5. Step 5: Solve for x
    x = 188,064,416,226,003,648/629,871,931.80
  6. Step 6: Final answer
    x = 298,575,641.70

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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.