Home / 28,531,155,807.60-42,796,733,711.40-7,569,548,127.60

Finding the Fourth Proportional to 28,531,155,807.60, 42,796,733,711.40 and 7,569,548,127.60

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Solution

The fourth proportional to 28,531,155,807.60, 42,796,733,711.40 and 7,569,548,127.60 is: 11,354,322,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,531,155,807.60 : 42,796,733,711.40 = 7,569,548,127.60 : x
  2. Step 2: Convert to fraction form
    28,531,155,807.60/42,796,733,711.40 = 7,569,548,127.60/x
  3. Step 3: Cross multiply
    28,531,155,807.60x = 42,796,733,711.40 × 7,569,548,127.60
  4. Step 4: Simplify right side
    28,531,155,807.60x = 323,951,935,532,523,716,608
  5. Step 5: Solve for x
    x = 323,951,935,532,523,716,608/28,531,155,807.60
  6. Step 6: Final answer
    x = 11,354,322,191.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.