Home / 7,365,600,740.50-10,164,533,099.40-3,978,510,012.76

Finding the Fourth Proportional to 7,365,600,740.50, 10,164,533,099.40 and 3,978,510,012.76

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Solution

The fourth proportional to 7,365,600,740.50, 10,164,533,099.40 and 3,978,510,012.76 is: 5,490,346,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365,600,740.50 : 10,164,533,099.40 = 3,978,510,012.76 : x
  2. Step 2: Convert to fraction form
    7,365,600,740.50/10,164,533,099.40 = 3,978,510,012.76/x
  3. Step 3: Cross multiply
    7,365,600,740.50x = 10,164,533,099.40 × 3,978,510,012.76
  4. Step 4: Simplify right side
    7,365,600,740.50x = 40,439,696,710,993,338,368
  5. Step 5: Solve for x
    x = 40,439,696,710,993,338,368/7,365,600,740.50
  6. Step 6: Final answer
    x = 5,490,346,020.07

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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.