Home / 978,425,141.88-1,349,712,154.04-581,665,944.18

Finding the Fourth Proportional to 978,425,141.88, 1,349,712,154.04 and 581,665,944.18

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Solution

The fourth proportional to 978,425,141.88, 1,349,712,154.04 and 581,665,944.18 is: 802,393,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,425,141.88 : 1,349,712,154.04 = 581,665,944.18 : x
  2. Step 2: Convert to fraction form
    978,425,141.88/1,349,712,154.04 = 581,665,944.18/x
  3. Step 3: Cross multiply
    978,425,141.88x = 1,349,712,154.04 × 581,665,944.18
  4. Step 4: Simplify right side
    978,425,141.88x = 785,081,594,447,989,888
  5. Step 5: Solve for x
    x = 785,081,594,447,989,888/978,425,141.88
  6. Step 6: Final answer
    x = 802,393,112.00

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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.