Home / 351,756,008.40-527,634,012.60-299,603,931.60

Finding the Fourth Proportional to 351,756,008.40, 527,634,012.60 and 299,603,931.60

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Solution

The fourth proportional to 351,756,008.40, 527,634,012.60 and 299,603,931.60 is: 449,405,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,756,008.40 : 527,634,012.60 = 299,603,931.60 : x
  2. Step 2: Convert to fraction form
    351,756,008.40/527,634,012.60 = 299,603,931.60/x
  3. Step 3: Cross multiply
    351,756,008.40x = 527,634,012.60 × 299,603,931.60
  4. Step 4: Simplify right side
    351,756,008.40x = 158,081,224,620,843,968
  5. Step 5: Solve for x
    x = 158,081,224,620,843,968/351,756,008.40
  6. Step 6: Final answer
    x = 449,405,897.40

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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.