Home / 751,388,569.61-1,036,799,289.68-429,511,941.45

Finding the Fourth Proportional to 751,388,569.61, 1,036,799,289.68 and 429,511,941.45

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Solution

The fourth proportional to 751,388,569.61, 1,036,799,289.68 and 429,511,941.45 is: 592,659,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,388,569.61 : 1,036,799,289.68 = 429,511,941.45 : x
  2. Step 2: Convert to fraction form
    751,388,569.61/1,036,799,289.68 = 429,511,941.45/x
  3. Step 3: Cross multiply
    751,388,569.61x = 1,036,799,289.68 × 429,511,941.45
  4. Step 4: Simplify right side
    751,388,569.61x = 445,317,675,802,290,176
  5. Step 5: Solve for x
    x = 445,317,675,802,290,176/751,388,569.61
  6. Step 6: Final answer
    x = 592,659,635.53

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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.