Home / 402,395,791,500.18-555,307,918,671.73-219,496,878,952.43

Finding the Fourth Proportional to 402,395,791,500.18, 555,307,918,671.73 and 219,496,878,952.43

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Solution

The fourth proportional to 402,395,791,500.18, 555,307,918,671.73 and 219,496,878,952.43 is: 302,906,634,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,395,791,500.18 : 555,307,918,671.73 = 219,496,878,952.43 : x
  2. Step 2: Convert to fraction form
    402,395,791,500.18/555,307,918,671.73 = 219,496,878,952.43/x
  3. Step 3: Cross multiply
    402,395,791,500.18x = 555,307,918,671.73 × 219,496,878,952.43
  4. Step 4: Simplify right side
    402,395,791,500.18x = 121,888,355,006,014,552,014,848
  5. Step 5: Solve for x
    x = 121,888,355,006,014,552,014,848/402,395,791,500.18
  6. Step 6: Final answer
    x = 302,906,634,663.35

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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.