Home / 830,308,503.60-1,145,849,648.36-459,054,449.82

Finding the Fourth Proportional to 830,308,503.60, 1,145,849,648.36 and 459,054,449.82

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Solution

The fourth proportional to 830,308,503.60, 1,145,849,648.36 and 459,054,449.82 is: 633,508,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,308,503.60 : 1,145,849,648.36 = 459,054,449.82 : x
  2. Step 2: Convert to fraction form
    830,308,503.60/1,145,849,648.36 = 459,054,449.82/x
  3. Step 3: Cross multiply
    830,308,503.60x = 1,145,849,648.36 × 459,054,449.82
  4. Step 4: Simplify right side
    830,308,503.60x = 526,007,379,902,044,992
  5. Step 5: Solve for x
    x = 526,007,379,902,044,992/830,308,503.60
  6. Step 6: Final answer
    x = 633,508,361.80

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Double scale
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1.5x scale

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.