Home / 659,311,472,688.30-989,039,768,443.65-240,643,670,064.30

Finding the Fourth Proportional to 659,311,472,688.30, 989,039,768,443.65 and 240,643,670,064.30

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Solution

The fourth proportional to 659,311,472,688.30, 989,039,768,443.65 and 240,643,670,064.30 is: 360,991,988,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,311,472,688.30 : 989,039,768,443.65 = 240,643,670,064.30 : x
  2. Step 2: Convert to fraction form
    659,311,472,688.30/989,039,768,443.65 = 240,643,670,064.30/x
  3. Step 3: Cross multiply
    659,311,472,688.30x = 989,039,768,443.65 × 240,643,670,064.30
  4. Step 4: Simplify right side
    659,311,472,688.30x = 238,006,159,717,825,360,429,056
  5. Step 5: Solve for x
    x = 238,006,159,717,825,360,429,056/659,311,472,688.30
  6. Step 6: Final answer
    x = 360,991,988,729.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.