Home / 652,160,928.64-899,985,994.88-354,805,303.56

Finding the Fourth Proportional to 652,160,928.64, 899,985,994.88 and 354,805,303.56

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Solution

The fourth proportional to 652,160,928.64, 899,985,994.88 and 354,805,303.56 is: 489,633,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,160,928.64 : 899,985,994.88 = 354,805,303.56 : x
  2. Step 2: Convert to fraction form
    652,160,928.64/899,985,994.88 = 354,805,303.56/x
  3. Step 3: Cross multiply
    652,160,928.64x = 899,985,994.88 × 354,805,303.56
  4. Step 4: Simplify right side
    652,160,928.64x = 319,319,804,113,147,008
  5. Step 5: Solve for x
    x = 319,319,804,113,147,008/652,160,928.64
  6. Step 6: Final answer
    x = 489,633,447.96

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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.