Home / 552,501,154.40-828,751,731.60-378,161,934.35

Finding the Fourth Proportional to 552,501,154.40, 828,751,731.60 and 378,161,934.35

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Solution

The fourth proportional to 552,501,154.40, 828,751,731.60 and 378,161,934.35 is: 567,242,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,501,154.40 : 828,751,731.60 = 378,161,934.35 : x
  2. Step 2: Convert to fraction form
    552,501,154.40/828,751,731.60 = 378,161,934.35/x
  3. Step 3: Cross multiply
    552,501,154.40x = 828,751,731.60 × 378,161,934.35
  4. Step 4: Simplify right side
    552,501,154.40x = 313,402,357,917,768,064
  5. Step 5: Solve for x
    x = 313,402,357,917,768,064/552,501,154.40
  6. Step 6: Final answer
    x = 567,242,901.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.