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Finding the Fourth Proportional to 576,031,374.48, 794,925,389.76 and 311,713,339.68

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Solution

The fourth proportional to 576,031,374.48, 794,925,389.76 and 311,713,339.68 is: 430,165,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,031,374.48 : 794,925,389.76 = 311,713,339.68 : x
  2. Step 2: Convert to fraction form
    576,031,374.48/794,925,389.76 = 311,713,339.68/x
  3. Step 3: Cross multiply
    576,031,374.48x = 794,925,389.76 × 311,713,339.68
  4. Step 4: Simplify right side
    576,031,374.48x = 247,788,848,038,515,264
  5. Step 5: Solve for x
    x = 247,788,848,038,515,264/576,031,374.48
  6. Step 6: Final answer
    x = 430,165,541.35

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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.