Home / 7,156,828,711.84-9,876,492,236.40-3,941,811,589.60

Finding the Fourth Proportional to 7,156,828,711.84, 9,876,492,236.40 and 3,941,811,589.60

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Solution

The fourth proportional to 7,156,828,711.84, 9,876,492,236.40 and 3,941,811,589.60 is: 5,439,737,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,828,711.84 : 9,876,492,236.40 = 3,941,811,589.60 : x
  2. Step 2: Convert to fraction form
    7,156,828,711.84/9,876,492,236.40 = 3,941,811,589.60/x
  3. Step 3: Cross multiply
    7,156,828,711.84x = 9,876,492,236.40 × 3,941,811,589.60
  4. Step 4: Simplify right side
    7,156,828,711.84x = 38,931,271,562,035,937,280
  5. Step 5: Solve for x
    x = 38,931,271,562,035,937,280/7,156,828,711.84
  6. Step 6: Final answer
    x = 5,439,737,784.65

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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.