Home / 305,039,820.60-457,559,730.90-266,776,068.60

Finding the Fourth Proportional to 305,039,820.60, 457,559,730.90 and 266,776,068.60

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Solution

The fourth proportional to 305,039,820.60, 457,559,730.90 and 266,776,068.60 is: 400,164,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,039,820.60 : 457,559,730.90 = 266,776,068.60 : x
  2. Step 2: Convert to fraction form
    305,039,820.60/457,559,730.90 = 266,776,068.60/x
  3. Step 3: Cross multiply
    305,039,820.60x = 457,559,730.90 × 266,776,068.60
  4. Step 4: Simplify right side
    305,039,820.60x = 122,065,986,159,175,936
  5. Step 5: Solve for x
    x = 122,065,986,159,175,936/305,039,820.60
  6. Step 6: Final answer
    x = 400,164,102.90

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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.