Home / 346,610,780.02-478,334,444.18-189,978,288.35

Finding the Fourth Proportional to 346,610,780.02, 478,334,444.18 and 189,978,288.35

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Solution

The fourth proportional to 346,610,780.02, 478,334,444.18 and 189,978,288.35 is: 262,176,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,610,780.02 : 478,334,444.18 = 189,978,288.35 : x
  2. Step 2: Convert to fraction form
    346,610,780.02/478,334,444.18 = 189,978,288.35/x
  3. Step 3: Cross multiply
    346,610,780.02x = 478,334,444.18 × 189,978,288.35
  4. Step 4: Simplify right side
    346,610,780.02x = 90,873,158,967,131,792
  5. Step 5: Solve for x
    x = 90,873,158,967,131,792/346,610,780.02
  6. Step 6: Final answer
    x = 262,176,378.25

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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.