Home / 935,353,413.20-1,403,030,119.80-289,186,475.60

Finding the Fourth Proportional to 935,353,413.20, 1,403,030,119.80 and 289,186,475.60

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Solution

The fourth proportional to 935,353,413.20, 1,403,030,119.80 and 289,186,475.60 is: 433,779,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,353,413.20 : 1,403,030,119.80 = 289,186,475.60 : x
  2. Step 2: Convert to fraction form
    935,353,413.20/1,403,030,119.80 = 289,186,475.60/x
  3. Step 3: Cross multiply
    935,353,413.20x = 1,403,030,119.80 × 289,186,475.60
  4. Step 4: Simplify right side
    935,353,413.20x = 405,737,335,505,607,808
  5. Step 5: Solve for x
    x = 405,737,335,505,607,808/935,353,413.20
  6. Step 6: Final answer
    x = 433,779,713.40

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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.