Home / 779,335,381.98-1,168,993,318.68-189,130,510.28

Finding the Fourth Proportional to 779,335,381.98, 1,168,993,318.68 and 189,130,510.28

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Solution

The fourth proportional to 779,335,381.98, 1,168,993,318.68 and 189,130,510.28 is: 283,693,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,335,381.98 : 1,168,993,318.68 = 189,130,510.28 : x
  2. Step 2: Convert to fraction form
    779,335,381.98/1,168,993,318.68 = 189,130,510.28/x
  3. Step 3: Cross multiply
    779,335,381.98x = 1,168,993,318.68 × 189,130,510.28
  4. Step 4: Simplify right side
    779,335,381.98x = 221,092,302,878,781,536
  5. Step 5: Solve for x
    x = 221,092,302,878,781,536/779,335,381.98
  6. Step 6: Final answer
    x = 283,693,398.24

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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.