Home / 760,893,311.79-1,050,032,747.52-421,800,928.03

Finding the Fourth Proportional to 760,893,311.79, 1,050,032,747.52 and 421,800,928.03

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Solution

The fourth proportional to 760,893,311.79, 1,050,032,747.52 and 421,800,928.03 is: 582,085,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,893,311.79 : 1,050,032,747.52 = 421,800,928.03 : x
  2. Step 2: Convert to fraction form
    760,893,311.79/1,050,032,747.52 = 421,800,928.03/x
  3. Step 3: Cross multiply
    760,893,311.79x = 1,050,032,747.52 × 421,800,928.03
  4. Step 4: Simplify right side
    760,893,311.79x = 442,904,787,358,467,456
  5. Step 5: Solve for x
    x = 442,904,787,358,467,456/760,893,311.79
  6. Step 6: Final answer
    x = 582,085,268.06

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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.