Home / 671,170,866.40-1,005,055,688.40-535,121,970.40

Finding the Fourth Proportional to 671,170,866.40, 1,005,055,688.40 and 535,121,970.40

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Solution

The fourth proportional to 671,170,866.40, 1,005,055,688.40 and 535,121,970.40 is: 801,327,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,170,866.40 : 1,005,055,688.40 = 535,121,970.40 : x
  2. Step 2: Convert to fraction form
    671,170,866.40/1,005,055,688.40 = 535,121,970.40/x
  3. Step 3: Cross multiply
    671,170,866.40x = 1,005,055,688.40 × 535,121,970.40
  4. Step 4: Simplify right side
    671,170,866.40x = 537,827,380,338,336,384
  5. Step 5: Solve for x
    x = 537,827,380,338,336,384/671,170,866.40
  6. Step 6: Final answer
    x = 801,327,064.78

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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.