Home / 1,435,008,659.81-1,980,311,934.45-774,958,937.81

Finding the Fourth Proportional to 1,435,008,659.81, 1,980,311,934.45 and 774,958,937.81

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Solution

The fourth proportional to 1,435,008,659.81, 1,980,311,934.45 and 774,958,937.81 is: 1,069,443,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,008,659.81 : 1,980,311,934.45 = 774,958,937.81 : x
  2. Step 2: Convert to fraction form
    1,435,008,659.81/1,980,311,934.45 = 774,958,937.81/x
  3. Step 3: Cross multiply
    1,435,008,659.81x = 1,980,311,934.45 × 774,958,937.81
  4. Step 4: Simplify right side
    1,435,008,659.81x = 1,534,660,433,240,061,952
  5. Step 5: Solve for x
    x = 1,534,660,433,240,061,952/1,435,008,659.81
  6. Step 6: Final answer
    x = 1,069,443,325.48

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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.