Home / 893,860,682.40-1,340,775,374.40-402,225,998.40

Finding the Fourth Proportional to 893,860,682.40, 1,340,775,374.40 and 402,225,998.40

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Solution

The fourth proportional to 893,860,682.40, 1,340,775,374.40 and 402,225,998.40 is: 603,331,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,860,682.40 : 1,340,775,374.40 = 402,225,998.40 : x
  2. Step 2: Convert to fraction form
    893,860,682.40/1,340,775,374.40 = 402,225,998.40/x
  3. Step 3: Cross multiply
    893,860,682.40x = 1,340,775,374.40 × 402,225,998.40
  4. Step 4: Simplify right side
    893,860,682.40x = 539,294,713,598,173,824
  5. Step 5: Solve for x
    x = 539,294,713,598,173,824/893,860,682.40
  6. Step 6: Final answer
    x = 603,331,955.66

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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.