Home / 539,137,526.40-808,706,289.60-357,589,699.20

Finding the Fourth Proportional to 539,137,526.40, 808,706,289.60 and 357,589,699.20

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Solution

The fourth proportional to 539,137,526.40, 808,706,289.60 and 357,589,699.20 is: 536,384,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,137,526.40 : 808,706,289.60 = 357,589,699.20 : x
  2. Step 2: Convert to fraction form
    539,137,526.40/808,706,289.60 = 357,589,699.20/x
  3. Step 3: Cross multiply
    539,137,526.40x = 808,706,289.60 × 357,589,699.20
  4. Step 4: Simplify right side
    539,137,526.40x = 289,185,038,839,212,096
  5. Step 5: Solve for x
    x = 289,185,038,839,212,096/539,137,526.40
  6. Step 6: Final answer
    x = 536,384,548.80

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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.