Home / 346,883,518.31-478,655,124.56-198,214,276.31

Finding the Fourth Proportional to 346,883,518.31, 478,655,124.56 and 198,214,276.31

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Solution

The fourth proportional to 346,883,518.31, 478,655,124.56 and 198,214,276.31 is: 273,510,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,883,518.31 : 478,655,124.56 = 198,214,276.31 : x
  2. Step 2: Convert to fraction form
    346,883,518.31/478,655,124.56 = 198,214,276.31/x
  3. Step 3: Cross multiply
    346,883,518.31x = 478,655,124.56 × 198,214,276.31
  4. Step 4: Simplify right side
    346,883,518.31x = 94,876,279,115,742,240
  5. Step 5: Solve for x
    x = 94,876,279,115,742,240/346,883,518.31
  6. Step 6: Final answer
    x = 273,510,484.38

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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.