Home / 1,011,430,188.96-1,517,128,592.29-302,380,413.76

Finding the Fourth Proportional to 1,011,430,188.96, 1,517,128,592.29 and 302,380,413.76

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Solution

The fourth proportional to 1,011,430,188.96, 1,517,128,592.29 and 302,380,413.76 is: 453,565,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,430,188.96 : 1,517,128,592.29 = 302,380,413.76 : x
  2. Step 2: Convert to fraction form
    1,011,430,188.96/1,517,128,592.29 = 302,380,413.76/x
  3. Step 3: Cross multiply
    1,011,430,188.96x = 1,517,128,592.29 × 302,380,413.76
  4. Step 4: Simplify right side
    1,011,430,188.96x = 458,749,971,462,264,640
  5. Step 5: Solve for x
    x = 458,749,971,462,264,640/1,011,430,188.96
  6. Step 6: Final answer
    x = 453,565,630.60

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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.