Home / 28,184,448,038.40-42,276,672,057.60-18,896,843,404.80

Finding the Fourth Proportional to 28,184,448,038.40, 42,276,672,057.60 and 18,896,843,404.80

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Solution

The fourth proportional to 28,184,448,038.40, 42,276,672,057.60 and 18,896,843,404.80 is: 28,345,265,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,448,038.40 : 42,276,672,057.60 = 18,896,843,404.80 : x
  2. Step 2: Convert to fraction form
    28,184,448,038.40/42,276,672,057.60 = 18,896,843,404.80/x
  3. Step 3: Cross multiply
    28,184,448,038.40x = 42,276,672,057.60 × 18,896,843,404.80
  4. Step 4: Simplify right side
    28,184,448,038.40x = 798,895,651,548,550,922,240
  5. Step 5: Solve for x
    x = 798,895,651,548,550,922,240/28,184,448,038.40
  6. Step 6: Final answer
    x = 28,345,265,107.20

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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.