Home / 1,878,311,456.20-2,816,616,878.70-713,392,784.20

Finding the Fourth Proportional to 1,878,311,456.20, 2,816,616,878.70 and 713,392,784.20

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Solution

The fourth proportional to 1,878,311,456.20, 2,816,616,878.70 and 713,392,784.20 is: 1,069,766,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,311,456.20 : 2,816,616,878.70 = 713,392,784.20 : x
  2. Step 2: Convert to fraction form
    1,878,311,456.20/2,816,616,878.70 = 713,392,784.20/x
  3. Step 3: Cross multiply
    1,878,311,456.20x = 2,816,616,878.70 × 713,392,784.20
  4. Step 4: Simplify right side
    1,878,311,456.20x = 2,009,354,157,120,506,624
  5. Step 5: Solve for x
    x = 2,009,354,157,120,506,624/1,878,311,456.20
  6. Step 6: Final answer
    x = 1,069,766,225.66

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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.