Home / 7,287,944,870.28-10,057,401,111.80-4,072,908,519.55

Finding the Fourth Proportional to 7,287,944,870.28, 10,057,401,111.80 and 4,072,908,519.55

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Solution

The fourth proportional to 7,287,944,870.28, 10,057,401,111.80 and 4,072,908,519.55 is: 5,620,634,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,944,870.28 : 10,057,401,111.80 = 4,072,908,519.55 : x
  2. Step 2: Convert to fraction form
    7,287,944,870.28/10,057,401,111.80 = 4,072,908,519.55/x
  3. Step 3: Cross multiply
    7,287,944,870.28x = 10,057,401,111.80 × 4,072,908,519.55
  4. Step 4: Simplify right side
    7,287,944,870.28x = 40,962,874,672,731,570,176
  5. Step 5: Solve for x
    x = 40,962,874,672,731,570,176/7,287,944,870.28
  6. Step 6: Final answer
    x = 5,620,634,541.27

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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.