Home / 1,230,394,296.06-1,845,435,768.40-390,045,139.76

Finding the Fourth Proportional to 1,230,394,296.06, 1,845,435,768.40 and 390,045,139.76

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Solution

The fourth proportional to 1,230,394,296.06, 1,845,435,768.40 and 390,045,139.76 is: 585,018,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,394,296.06 : 1,845,435,768.40 = 390,045,139.76 : x
  2. Step 2: Convert to fraction form
    1,230,394,296.06/1,845,435,768.40 = 390,045,139.76/x
  3. Step 3: Cross multiply
    1,230,394,296.06x = 1,845,435,768.40 × 390,045,139.76
  4. Step 4: Simplify right side
    1,230,394,296.06x = 719,803,252,203,681,024
  5. Step 5: Solve for x
    x = 719,803,252,203,681,024/1,230,394,296.06
  6. Step 6: Final answer
    x = 585,018,359.16

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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.