Home / 934,815,484.80-1,290,075,949.60-511,419,323.92

Finding the Fourth Proportional to 934,815,484.80, 1,290,075,949.60 and 511,419,323.92

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Solution

The fourth proportional to 934,815,484.80, 1,290,075,949.60 and 511,419,323.92 is: 705,775,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,815,484.80 : 1,290,075,949.60 = 511,419,323.92 : x
  2. Step 2: Convert to fraction form
    934,815,484.80/1,290,075,949.60 = 511,419,323.92/x
  3. Step 3: Cross multiply
    934,815,484.80x = 1,290,075,949.60 × 511,419,323.92
  4. Step 4: Simplify right side
    934,815,484.80x = 659,769,769,949,883,904
  5. Step 5: Solve for x
    x = 659,769,769,949,883,904/934,815,484.80
  6. Step 6: Final answer
    x = 705,775,397.05

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1.5x scale

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.