Home / 583,534,077.02-805,274,618.79-315,610,208.54

Finding the Fourth Proportional to 583,534,077.02, 805,274,618.79 and 315,610,208.54

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Solution

The fourth proportional to 583,534,077.02, 805,274,618.79 and 315,610,208.54 is: 435,540,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,534,077.02 : 805,274,618.79 = 315,610,208.54 : x
  2. Step 2: Convert to fraction form
    583,534,077.02/805,274,618.79 = 315,610,208.54/x
  3. Step 3: Cross multiply
    583,534,077.02x = 805,274,618.79 × 315,610,208.54
  4. Step 4: Simplify right side
    583,534,077.02x = 254,152,890,368,280,896
  5. Step 5: Solve for x
    x = 254,152,890,368,280,896/583,534,077.02
  6. Step 6: Final answer
    x = 435,540,785.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.