Home / 893,860,683.40-1,340,775,375.90-402,225,999.40

Finding the Fourth Proportional to 893,860,683.40, 1,340,775,375.90 and 402,225,999.40

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Solution

The fourth proportional to 893,860,683.40, 1,340,775,375.90 and 402,225,999.40 is: 603,331,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,860,683.40 : 1,340,775,375.90 = 402,225,999.40 : x
  2. Step 2: Convert to fraction form
    893,860,683.40/1,340,775,375.90 = 402,225,999.40/x
  3. Step 3: Cross multiply
    893,860,683.40x = 1,340,775,375.90 × 402,225,999.40
  4. Step 4: Simplify right side
    893,860,683.40x = 539,294,715,542,288,192
  5. Step 5: Solve for x
    x = 539,294,715,542,288,192/893,860,683.40
  6. Step 6: Final answer
    x = 603,331,957.16

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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.