Home / 779,335,381.23-1,168,993,317.56-189,130,509.54

Finding the Fourth Proportional to 779,335,381.23, 1,168,993,317.56 and 189,130,509.54

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Solution

The fourth proportional to 779,335,381.23, 1,168,993,317.56 and 189,130,509.54 is: 283,693,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,335,381.23 : 1,168,993,317.56 = 189,130,509.54 : x
  2. Step 2: Convert to fraction form
    779,335,381.23/1,168,993,317.56 = 189,130,509.54/x
  3. Step 3: Cross multiply
    779,335,381.23x = 1,168,993,317.56 × 189,130,509.54
  4. Step 4: Simplify right side
    779,335,381.23x = 221,092,301,798,032,192
  5. Step 5: Solve for x
    x = 221,092,301,798,032,192/779,335,381.23
  6. Step 6: Final answer
    x = 283,693,397.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.