Home / 1,385,401,645.17-1,911,853,666.49-750,322,166.54

Finding the Fourth Proportional to 1,385,401,645.17, 1,911,853,666.49 and 750,322,166.54

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Solution

The fourth proportional to 1,385,401,645.17, 1,911,853,666.49 and 750,322,166.54 is: 1,035,444,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,401,645.17 : 1,911,853,666.49 = 750,322,166.54 : x
  2. Step 2: Convert to fraction form
    1,385,401,645.17/1,911,853,666.49 = 750,322,166.54/x
  3. Step 3: Cross multiply
    1,385,401,645.17x = 1,911,853,666.49 × 750,322,166.54
  4. Step 4: Simplify right side
    1,385,401,645.17x = 1,434,506,185,134,908,416
  5. Step 5: Solve for x
    x = 1,434,506,185,134,908,416/1,385,401,645.17
  6. Step 6: Final answer
    x = 1,035,444,262.78

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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.