Home / 1,050,626,781.60-1,575,940,172.40-636,769,399.20

Finding the Fourth Proportional to 1,050,626,781.60, 1,575,940,172.40 and 636,769,399.20

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Solution

The fourth proportional to 1,050,626,781.60, 1,575,940,172.40 and 636,769,399.20 is: 955,154,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,626,781.60 : 1,575,940,172.40 = 636,769,399.20 : x
  2. Step 2: Convert to fraction form
    1,050,626,781.60/1,575,940,172.40 = 636,769,399.20/x
  3. Step 3: Cross multiply
    1,050,626,781.60x = 1,575,940,172.40 × 636,769,399.20
  4. Step 4: Simplify right side
    1,050,626,781.60x = 1,003,510,476,754,292,608
  5. Step 5: Solve for x
    x = 1,003,510,476,754,292,608/1,050,626,781.60
  6. Step 6: Final answer
    x = 955,154,098.80

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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.