Home / 874,409,120.91-1,206,681,657.29-477,931,880.82

Finding the Fourth Proportional to 874,409,120.91, 1,206,681,657.29 and 477,931,880.82

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Solution

The fourth proportional to 874,409,120.91, 1,206,681,657.29 and 477,931,880.82 is: 659,544,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,409,120.91 : 1,206,681,657.29 = 477,931,880.82 : x
  2. Step 2: Convert to fraction form
    874,409,120.91/1,206,681,657.29 = 477,931,880.82/x
  3. Step 3: Cross multiply
    874,409,120.91x = 1,206,681,657.29 × 477,931,880.82
  4. Step 4: Simplify right side
    874,409,120.91x = 576,711,634,019,604,352
  5. Step 5: Solve for x
    x = 576,711,634,019,604,352/874,409,120.91
  6. Step 6: Final answer
    x = 659,544,394.30

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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.