Home / 578,463,209.07-798,523,525.41-390,546,076.07

Finding the Fourth Proportional to 578,463,209.07, 798,523,525.41 and 390,546,076.07

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Solution

The fourth proportional to 578,463,209.07, 798,523,525.41 and 390,546,076.07 is: 539,118,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,463,209.07 : 798,523,525.41 = 390,546,076.07 : x
  2. Step 2: Convert to fraction form
    578,463,209.07/798,523,525.41 = 390,546,076.07/x
  3. Step 3: Cross multiply
    578,463,209.07x = 798,523,525.41 × 390,546,076.07
  4. Step 4: Simplify right side
    578,463,209.07x = 311,860,229,492,513,088
  5. Step 5: Solve for x
    x = 311,860,229,492,513,088/578,463,209.07
  6. Step 6: Final answer
    x = 539,118,520.60

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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.