Home / 651,938,896.20-977,572,421.10-242,784,438.60

Finding the Fourth Proportional to 651,938,896.20, 977,572,421.10 and 242,784,438.60

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Solution

The fourth proportional to 651,938,896.20, 977,572,421.10 and 242,784,438.60 is: 364,051,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,938,896.20 : 977,572,421.10 = 242,784,438.60 : x
  2. Step 2: Convert to fraction form
    651,938,896.20/977,572,421.10 = 242,784,438.60/x
  3. Step 3: Cross multiply
    651,938,896.20x = 977,572,421.10 × 242,784,438.60
  4. Step 4: Simplify right side
    651,938,896.20x = 237,339,371,447,606,304
  5. Step 5: Solve for x
    x = 237,339,371,447,606,304/651,938,896.20
  6. Step 6: Final answer
    x = 364,051,558.87

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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.