Home / 1,891,346,208.40-2,834,558,512.40-769,562,547.20

Finding the Fourth Proportional to 1,891,346,208.40, 2,834,558,512.40 and 769,562,547.20

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Solution

The fourth proportional to 1,891,346,208.40, 2,834,558,512.40 and 769,562,547.20 is: 1,153,342,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,346,208.40 : 2,834,558,512.40 = 769,562,547.20 : x
  2. Step 2: Convert to fraction form
    1,891,346,208.40/2,834,558,512.40 = 769,562,547.20/x
  3. Step 3: Cross multiply
    1,891,346,208.40x = 2,834,558,512.40 × 769,562,547.20
  4. Step 4: Simplify right side
    1,891,346,208.40x = 2,181,370,068,989,987,072
  5. Step 5: Solve for x
    x = 2,181,370,068,989,987,072/1,891,346,208.40
  6. Step 6: Final answer
    x = 1,153,342,555.32

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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.