Home / 630,010,420.34-869,414,465.16-347,752,914.41

Finding the Fourth Proportional to 630,010,420.34, 869,414,465.16 and 347,752,914.41

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Solution

The fourth proportional to 630,010,420.34, 869,414,465.16 and 347,752,914.41 is: 479,899,068.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,010,420.34 : 869,414,465.16 = 347,752,914.41 : x
  2. Step 2: Convert to fraction form
    630,010,420.34/869,414,465.16 = 347,752,914.41/x
  3. Step 3: Cross multiply
    630,010,420.34x = 869,414,465.16 × 347,752,914.41
  4. Step 4: Simplify right side
    630,010,420.34x = 302,341,414,095,455,936
  5. Step 5: Solve for x
    x = 302,341,414,095,455,936/630,010,420.34
  6. Step 6: Final answer
    x = 479,899,068.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.