Home / 7,036,039,799.28-9,709,697,365.68-3,820,921,685.64

Finding the Fourth Proportional to 7,036,039,799.28, 9,709,697,365.68 and 3,820,921,685.64

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Solution

The fourth proportional to 7,036,039,799.28, 9,709,697,365.68 and 3,820,921,685.64 is: 5,272,851,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036,039,799.28 : 9,709,697,365.68 = 3,820,921,685.64 : x
  2. Step 2: Convert to fraction form
    7,036,039,799.28/9,709,697,365.68 = 3,820,921,685.64/x
  3. Step 3: Cross multiply
    7,036,039,799.28x = 9,709,697,365.68 × 3,820,921,685.64
  4. Step 4: Simplify right side
    7,036,039,799.28x = 37,099,993,225,528,295,424
  5. Step 5: Solve for x
    x = 37,099,993,225,528,295,424/7,036,039,799.28
  6. Step 6: Final answer
    x = 5,272,851,530.68

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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.