Home / 891,140,637.51-1,336,709,829.96-338,442,036.39

Finding the Fourth Proportional to 891,140,637.51, 1,336,709,829.96 and 338,442,036.39

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Solution

The fourth proportional to 891,140,637.51, 1,336,709,829.96 and 338,442,036.39 is: 507,662,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,140,637.51 : 1,336,709,829.96 = 338,442,036.39 : x
  2. Step 2: Convert to fraction form
    891,140,637.51/1,336,709,829.96 = 338,442,036.39/x
  3. Step 3: Cross multiply
    891,140,637.51x = 1,336,709,829.96 × 338,442,036.39
  4. Step 4: Simplify right side
    891,140,637.51x = 452,398,796,914,193,024
  5. Step 5: Solve for x
    x = 452,398,796,914,193,024/891,140,637.51
  6. Step 6: Final answer
    x = 507,662,626.83

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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.