Home / 1,221,709,648.87-1,833,128,070.80-557,927,155.88

Finding the Fourth Proportional to 1,221,709,648.87, 1,833,128,070.80 and 557,927,155.88

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Solution

The fourth proportional to 1,221,709,648.87, 1,833,128,070.80 and 557,927,155.88 is: 837,148,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,709,648.87 : 1,833,128,070.80 = 557,927,155.88 : x
  2. Step 2: Convert to fraction form
    1,221,709,648.87/1,833,128,070.80 = 557,927,155.88/x
  3. Step 3: Cross multiply
    1,221,709,648.87x = 1,833,128,070.80 × 557,927,155.88
  4. Step 4: Simplify right side
    1,221,709,648.87x = 1,022,751,930,903,334,272
  5. Step 5: Solve for x
    x = 1,022,751,930,903,334,272/1,221,709,648.87
  6. Step 6: Final answer
    x = 837,148,116.04

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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.