Home / 1,081,391,563.47-1,492,349,701.46-611,563,143

Finding the Fourth Proportional to 1,081,391,563.47, 1,492,349,701.46 and 611,563,143

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Solution

The fourth proportional to 1,081,391,563.47, 1,492,349,701.46 and 611,563,143 is: 843,973,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,391,563.47 : 1,492,349,701.46 = 611,563,143 : x
  2. Step 2: Convert to fraction form
    1,081,391,563.47/1,492,349,701.46 = 611,563,143/x
  3. Step 3: Cross multiply
    1,081,391,563.47x = 1,492,349,701.46 × 611,563,143
  4. Step 4: Simplify right side
    1,081,391,563.47x = 912,666,073,881,518,208
  5. Step 5: Solve for x
    x = 912,666,073,881,518,208/1,081,391,563.47
  6. Step 6: Final answer
    x = 843,973,732.28

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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.