Home / 345,657,176.69-477,043,870.03-211,783,936.86

Finding the Fourth Proportional to 345,657,176.69, 477,043,870.03 and 211,783,936.86

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Solution

The fourth proportional to 345,657,176.69, 477,043,870.03 and 211,783,936.86 is: 292,284,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,657,176.69 : 477,043,870.03 = 211,783,936.86 : x
  2. Step 2: Convert to fraction form
    345,657,176.69/477,043,870.03 = 211,783,936.86/x
  3. Step 3: Cross multiply
    345,657,176.69x = 477,043,870.03 × 211,783,936.86
  4. Step 4: Simplify right side
    345,657,176.69x = 101,030,228,849,354,112
  5. Step 5: Solve for x
    x = 101,030,228,849,354,112/345,657,176.69
  6. Step 6: Final answer
    x = 292,284,482.04

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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.