Home / 76,359,888,925.60-105,379,912,741.20-42,527,178,609.52

Finding the Fourth Proportional to 76,359,888,925.60, 105,379,912,741.20 and 42,527,178,609.52

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Solution

The fourth proportional to 76,359,888,925.60, 105,379,912,741.20 and 42,527,178,609.52 is: 58,689,325,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,359,888,925.60 : 105,379,912,741.20 = 42,527,178,609.52 : x
  2. Step 2: Convert to fraction form
    76,359,888,925.60/105,379,912,741.20 = 42,527,178,609.52/x
  3. Step 3: Cross multiply
    76,359,888,925.60x = 105,379,912,741.20 × 42,527,178,609.52
  4. Step 4: Simplify right side
    76,359,888,925.60x = 4,481,510,371,000,644,009,984
  5. Step 5: Solve for x
    x = 4,481,510,371,000,644,009,984/76,359,888,925.60
  6. Step 6: Final answer
    x = 58,689,325,430.62

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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.