Home / 536,006,009.21-803,664,905.60-208,132,155.63

Finding the Fourth Proportional to 536,006,009.21, 803,664,905.60 and 208,132,155.63

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Solution

The fourth proportional to 536,006,009.21, 803,664,905.60 and 208,132,155.63 is: 312,064,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,006,009.21 : 803,664,905.60 = 208,132,155.63 : x
  2. Step 2: Convert to fraction form
    536,006,009.21/803,664,905.60 = 208,132,155.63/x
  3. Step 3: Cross multiply
    536,006,009.21x = 803,664,905.60 × 208,132,155.63
  4. Step 4: Simplify right side
    536,006,009.21x = 167,268,509,207,228,768
  5. Step 5: Solve for x
    x = 167,268,509,207,228,768/536,006,009.21
  6. Step 6: Final answer
    x = 312,064,615.57

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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.