Home / 1,385,313,968.89-1,911,709,648.25-750,229,302.25

Finding the Fourth Proportional to 1,385,313,968.89, 1,911,709,648.25 and 750,229,302.25

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Solution

The fourth proportional to 1,385,313,968.89, 1,911,709,648.25 and 750,229,302.25 is: 1,035,303,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,313,968.89 : 1,911,709,648.25 = 750,229,302.25 : x
  2. Step 2: Convert to fraction form
    1,385,313,968.89/1,911,709,648.25 = 750,229,302.25/x
  3. Step 3: Cross multiply
    1,385,313,968.89x = 1,911,709,648.25 × 750,229,302.25
  4. Step 4: Simplify right side
    1,385,313,968.89x = 1,434,220,595,507,439,104
  5. Step 5: Solve for x
    x = 1,434,220,595,507,439,104/1,385,313,968.89
  6. Step 6: Final answer
    x = 1,035,303,640.70

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1.5x scale

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.