Home / 346,384,435.19-478,006,712.48-187,610,608.42

Finding the Fourth Proportional to 346,384,435.19, 478,006,712.48 and 187,610,608.42

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Solution

The fourth proportional to 346,384,435.19, 478,006,712.48 and 187,610,608.42 is: 258,900,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,384,435.19 : 478,006,712.48 = 187,610,608.42 : x
  2. Step 2: Convert to fraction form
    346,384,435.19/478,006,712.48 = 187,610,608.42/x
  3. Step 3: Cross multiply
    346,384,435.19x = 478,006,712.48 × 187,610,608.42
  4. Step 4: Simplify right side
    346,384,435.19x = 89,679,130,157,216,800
  5. Step 5: Solve for x
    x = 89,679,130,157,216,800/346,384,435.19
  6. Step 6: Final answer
    x = 258,900,577.07

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1.5x scale

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.