Home / 659,311,472,762.55-989,039,768,555.02-240,643,670,138.55

Finding the Fourth Proportional to 659,311,472,762.55, 989,039,768,555.02 and 240,643,670,138.55

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Solution

The fourth proportional to 659,311,472,762.55, 989,039,768,555.02 and 240,643,670,138.55 is: 360,991,988,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,311,472,762.55 : 989,039,768,555.02 = 240,643,670,138.55 : x
  2. Step 2: Convert to fraction form
    659,311,472,762.55/989,039,768,555.02 = 240,643,670,138.55/x
  3. Step 3: Cross multiply
    659,311,472,762.55x = 989,039,768,555.02 × 240,643,670,138.55
  4. Step 4: Simplify right side
    659,311,472,762.55x = 238,006,159,818,062,078,935,040
  5. Step 5: Solve for x
    x = 238,006,159,818,062,078,935,040/659,311,472,762.55
  6. Step 6: Final answer
    x = 360,991,988,840.73

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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.