Home / 612,584,210.08-845,437,679.21-348,305,801.47

Finding the Fourth Proportional to 612,584,210.08, 845,437,679.21 and 348,305,801.47

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Solution

The fourth proportional to 612,584,210.08, 845,437,679.21 and 348,305,801.47 is: 480,702,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,584,210.08 : 845,437,679.21 = 348,305,801.47 : x
  2. Step 2: Convert to fraction form
    612,584,210.08/845,437,679.21 = 348,305,801.47/x
  3. Step 3: Cross multiply
    612,584,210.08x = 845,437,679.21 × 348,305,801.47
  4. Step 4: Simplify right side
    612,584,210.08x = 294,470,848,450,547,904
  5. Step 5: Solve for x
    x = 294,470,848,450,547,904/612,584,210.08
  6. Step 6: Final answer
    x = 480,702,642.36

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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.