Home / 1,218,514,791,395.90-1,827,779,975,837.50-357,985,441,040.60

Finding the Fourth Proportional to 1,218,514,791,395.90, 1,827,779,975,837.50 and 357,985,441,040.60

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Solution

The fourth proportional to 1,218,514,791,395.90, 1,827,779,975,837.50 and 357,985,441,040.60 is: 536,980,449,802.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,514,791,395.90 : 1,827,779,975,837.50 = 357,985,441,040.60 : x
  2. Step 2: Convert to fraction form
    1,218,514,791,395.90/1,827,779,975,837.50 = 357,985,441,040.60/x
  3. Step 3: Cross multiply
    1,218,514,791,395.90x = 1,827,779,975,837.50 × 357,985,441,040.60
  4. Step 4: Simplify right side
    1,218,514,791,395.90x = 654,318,620,775,364,612,325,376
  5. Step 5: Solve for x
    x = 654,318,620,775,364,612,325,376/1,218,514,791,395.90
  6. Step 6: Final answer
    x = 536,980,449,802.99

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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.