Home / 1,019,263,580.06-1,528,897,143.57-319,809,393.93

Finding the Fourth Proportional to 1,019,263,580.06, 1,528,897,143.57 and 319,809,393.93

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Solution

The fourth proportional to 1,019,263,580.06, 1,528,897,143.57 and 319,809,393.93 is: 479,714,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,263,580.06 : 1,528,897,143.57 = 319,809,393.93 : x
  2. Step 2: Convert to fraction form
    1,019,263,580.06/1,528,897,143.57 = 319,809,393.93/x
  3. Step 3: Cross multiply
    1,019,263,580.06x = 1,528,897,143.57 × 319,809,393.93
  4. Step 4: Simplify right side
    1,019,263,580.06x = 488,955,668,867,563,968
  5. Step 5: Solve for x
    x = 488,955,668,867,563,968/1,019,263,580.06
  6. Step 6: Final answer
    x = 479,714,647.35

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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.