Home / 921,378,547.03-1,264,734,241.78-814,617,955.03

Finding the Fourth Proportional to 921,378,547.03, 1,264,734,241.78 and 814,617,955.03

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Solution

The fourth proportional to 921,378,547.03, 1,264,734,241.78 and 814,617,955.03 is: 1,118,188,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,378,547.03 : 1,264,734,241.78 = 814,617,955.03 : x
  2. Step 2: Convert to fraction form
    921,378,547.03/1,264,734,241.78 = 814,617,955.03/x
  3. Step 3: Cross multiply
    921,378,547.03x = 1,264,734,241.78 × 814,617,955.03
  4. Step 4: Simplify right side
    921,378,547.03x = 1,030,275,221,685,821,952
  5. Step 5: Solve for x
    x = 1,030,275,221,685,821,952/921,378,547.03
  6. Step 6: Final answer
    x = 1,118,188,854.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.