Home / 455,356,779.90-683,316,280.01-178,959,408.81

Finding the Fourth Proportional to 455,356,779.90, 683,316,280.01 and 178,959,408.81

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Solution

The fourth proportional to 455,356,779.90, 683,316,280.01 and 178,959,408.81 is: 268,549,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,356,779.90 : 683,316,280.01 = 178,959,408.81 : x
  2. Step 2: Convert to fraction form
    455,356,779.90/683,316,280.01 = 178,959,408.81/x
  3. Step 3: Cross multiply
    455,356,779.90x = 683,316,280.01 × 178,959,408.81
  4. Step 4: Simplify right side
    455,356,779.90x = 122,285,877,500,838,016
  5. Step 5: Solve for x
    x = 122,285,877,500,838,016/455,356,779.90
  6. Step 6: Final answer
    x = 268,549,592.10

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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.