Home / 847,311,277.80-1,169,259,740.46-465,830,535.36

Finding the Fourth Proportional to 847,311,277.80, 1,169,259,740.46 and 465,830,535.36

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Solution

The fourth proportional to 847,311,277.80, 1,169,259,740.46 and 465,830,535.36 is: 642,829,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,311,277.80 : 1,169,259,740.46 = 465,830,535.36 : x
  2. Step 2: Convert to fraction form
    847,311,277.80/1,169,259,740.46 = 465,830,535.36/x
  3. Step 3: Cross multiply
    847,311,277.80x = 1,169,259,740.46 × 465,830,535.36
  4. Step 4: Simplify right side
    847,311,277.80x = 544,676,890,873,376,512
  5. Step 5: Solve for x
    x = 544,676,890,873,376,512/847,311,277.80
  6. Step 6: Final answer
    x = 642,829,742.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.