Home / 419,861,569.95-579,524,210.28-243,706,317.03

Finding the Fourth Proportional to 419,861,569.95, 579,524,210.28 and 243,706,317.03

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Solution

The fourth proportional to 419,861,569.95, 579,524,210.28 and 243,706,317.03 is: 336,381,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,861,569.95 : 579,524,210.28 = 243,706,317.03 : x
  2. Step 2: Convert to fraction form
    419,861,569.95/579,524,210.28 = 243,706,317.03/x
  3. Step 3: Cross multiply
    419,861,569.95x = 579,524,210.28 × 243,706,317.03
  4. Step 4: Simplify right side
    419,861,569.95x = 141,233,710,917,058,064
  5. Step 5: Solve for x
    x = 141,233,710,917,058,064/419,861,569.95
  6. Step 6: Final answer
    x = 336,381,610.10

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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.