Home / 614,528,339.81-847,855,501.01-376,124,989.78

Finding the Fourth Proportional to 614,528,339.81, 847,855,501.01 and 376,124,989.78

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Solution

The fourth proportional to 614,528,339.81, 847,855,501.01 and 376,124,989.78 is: 518,933,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,528,339.81 : 847,855,501.01 = 376,124,989.78 : x
  2. Step 2: Convert to fraction form
    614,528,339.81/847,855,501.01 = 376,124,989.78/x
  3. Step 3: Cross multiply
    614,528,339.81x = 847,855,501.01 × 376,124,989.78
  4. Step 4: Simplify right side
    614,528,339.81x = 318,899,641,653,807,232
  5. Step 5: Solve for x
    x = 318,899,641,653,807,232/614,528,339.81
  6. Step 6: Final answer
    x = 518,933,987.24

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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.