Home / 858,673,316.40-1,288,009,974.60-800,852,535.60

Finding the Fourth Proportional to 858,673,316.40, 1,288,009,974.60 and 800,852,535.60

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Solution

The fourth proportional to 858,673,316.40, 1,288,009,974.60 and 800,852,535.60 is: 1,201,278,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,673,316.40 : 1,288,009,974.60 = 800,852,535.60 : x
  2. Step 2: Convert to fraction form
    858,673,316.40/1,288,009,974.60 = 800,852,535.60/x
  3. Step 3: Cross multiply
    858,673,316.40x = 1,288,009,974.60 × 800,852,535.60
  4. Step 4: Simplify right side
    858,673,316.40x = 1,031,506,054,036,501,504
  5. Step 5: Solve for x
    x = 1,031,506,054,036,501,504/858,673,316.40
  6. Step 6: Final answer
    x = 1,201,278,803.40

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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.