Home / 848,281,641.10-1,272,422,461.65-787,059,637.90

Finding the Fourth Proportional to 848,281,641.10, 1,272,422,461.65 and 787,059,637.90

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Solution

The fourth proportional to 848,281,641.10, 1,272,422,461.65 and 787,059,637.90 is: 1,180,589,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,281,641.10 : 1,272,422,461.65 = 787,059,637.90 : x
  2. Step 2: Convert to fraction form
    848,281,641.10/1,272,422,461.65 = 787,059,637.90/x
  3. Step 3: Cross multiply
    848,281,641.10x = 1,272,422,461.65 × 787,059,637.90
  4. Step 4: Simplify right side
    848,281,641.10x = 1,001,472,361,922,075,648
  5. Step 5: Solve for x
    x = 1,001,472,361,922,075,648/848,281,641.10
  6. Step 6: Final answer
    x = 1,180,589,456.85

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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.