Home / 507,852,187.80-700,127,572.68-340,618,333.92

Finding the Fourth Proportional to 507,852,187.80, 700,127,572.68 and 340,618,333.92

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Solution

The fourth proportional to 507,852,187.80, 700,127,572.68 and 340,618,333.92 is: 469,578,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,852,187.80 : 700,127,572.68 = 340,618,333.92 : x
  2. Step 2: Convert to fraction form
    507,852,187.80/700,127,572.68 = 340,618,333.92/x
  3. Step 3: Cross multiply
    507,852,187.80x = 700,127,572.68 × 340,618,333.92
  4. Step 4: Simplify right side
    507,852,187.80x = 238,476,287,335,089,792
  5. Step 5: Solve for x
    x = 238,476,287,335,089,792/507,852,187.80
  6. Step 6: Final answer
    x = 469,578,143.14

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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.