Home / 465,777,326,401.60-698,665,989,602.40-447,492,354,779.20

Finding the Fourth Proportional to 465,777,326,401.60, 698,665,989,602.40 and 447,492,354,779.20

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Solution

The fourth proportional to 465,777,326,401.60, 698,665,989,602.40 and 447,492,354,779.20 is: 671,238,532,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,777,326,401.60 : 698,665,989,602.40 = 447,492,354,779.20 : x
  2. Step 2: Convert to fraction form
    465,777,326,401.60/698,665,989,602.40 = 447,492,354,779.20/x
  3. Step 3: Cross multiply
    465,777,326,401.60x = 698,665,989,602.40 × 447,492,354,779.20
  4. Step 4: Simplify right side
    465,777,326,401.60x = 312,647,688,891,318,084,304,896
  5. Step 5: Solve for x
    x = 312,647,688,891,318,084,304,896/465,777,326,401.60
  6. Step 6: Final answer
    x = 671,238,532,168.80

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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.