Home / 1,385,313,577.88-1,911,709,109.98-750,228,909.72

Finding the Fourth Proportional to 1,385,313,577.88, 1,911,709,109.98 and 750,228,909.72

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Solution

The fourth proportional to 1,385,313,577.88, 1,911,709,109.98 and 750,228,909.72 is: 1,035,303,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,313,577.88 : 1,911,709,109.98 = 750,228,909.72 : x
  2. Step 2: Convert to fraction form
    1,385,313,577.88/1,911,709,109.98 = 750,228,909.72/x
  3. Step 3: Cross multiply
    1,385,313,577.88x = 1,911,709,109.98 × 750,228,909.72
  4. Step 4: Simplify right side
    1,385,313,577.88x = 1,434,219,441,282,087,168
  5. Step 5: Solve for x
    x = 1,434,219,441,282,087,168/1,385,313,577.88
  6. Step 6: Final answer
    x = 1,035,303,099.73

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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.