Home / 1,450,872,006.40-2,176,308,009.60-360,355,074.40

Finding the Fourth Proportional to 1,450,872,006.40, 2,176,308,009.60 and 360,355,074.40

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Solution

The fourth proportional to 1,450,872,006.40, 2,176,308,009.60 and 360,355,074.40 is: 540,532,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,872,006.40 : 2,176,308,009.60 = 360,355,074.40 : x
  2. Step 2: Convert to fraction form
    1,450,872,006.40/2,176,308,009.60 = 360,355,074.40/x
  3. Step 3: Cross multiply
    1,450,872,006.40x = 2,176,308,009.60 × 360,355,074.40
  4. Step 4: Simplify right side
    1,450,872,006.40x = 784,243,634,716,723,840
  5. Step 5: Solve for x
    x = 784,243,634,716,723,840/1,450,872,006.40
  6. Step 6: Final answer
    x = 540,532,611.60

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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.