Home / 292,480,009.14-403,387,066.52-257,122,216.38

Finding the Fourth Proportional to 292,480,009.14, 403,387,066.52 and 257,122,216.38

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Solution

The fourth proportional to 292,480,009.14, 403,387,066.52 and 257,122,216.38 is: 354,621,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,480,009.14 : 403,387,066.52 = 257,122,216.38 : x
  2. Step 2: Convert to fraction form
    292,480,009.14/403,387,066.52 = 257,122,216.38/x
  3. Step 3: Cross multiply
    292,480,009.14x = 403,387,066.52 × 257,122,216.38
  4. Step 4: Simplify right side
    292,480,009.14x = 103,719,776,602,648,880
  5. Step 5: Solve for x
    x = 103,719,776,602,648,880/292,480,009.14
  6. Step 6: Final answer
    x = 354,621,763.41

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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.