Home / 531,779,245.47-733,977,802.76-311,833,530.27

Finding the Fourth Proportional to 531,779,245.47, 733,977,802.76 and 311,833,530.27

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Solution

The fourth proportional to 531,779,245.47, 733,977,802.76 and 311,833,530.27 is: 430,402,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,779,245.47 : 733,977,802.76 = 311,833,530.27 : x
  2. Step 2: Convert to fraction form
    531,779,245.47/733,977,802.76 = 311,833,530.27/x
  3. Step 3: Cross multiply
    531,779,245.47x = 733,977,802.76 × 311,833,530.27
  4. Step 4: Simplify right side
    531,779,245.47x = 228,878,889,372,909,376
  5. Step 5: Solve for x
    x = 228,878,889,372,909,376/531,779,245.47
  6. Step 6: Final answer
    x = 430,402,072.52

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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.