Home / 764,112,290.09-1,054,478,531.25-434,105,537.45

Finding the Fourth Proportional to 764,112,290.09, 1,054,478,531.25 and 434,105,537.45

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Solution

The fourth proportional to 764,112,290.09, 1,054,478,531.25 and 434,105,537.45 is: 599,067,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,112,290.09 : 1,054,478,531.25 = 434,105,537.45 : x
  2. Step 2: Convert to fraction form
    764,112,290.09/1,054,478,531.25 = 434,105,537.45/x
  3. Step 3: Cross multiply
    764,112,290.09x = 1,054,478,531.25 × 434,105,537.45
  4. Step 4: Simplify right side
    764,112,290.09x = 457,754,969,532,495,488
  5. Step 5: Solve for x
    x = 457,754,969,532,495,488/764,112,290.09
  6. Step 6: Final answer
    x = 599,067,670.38

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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.