Home / 614,528,341.81-847,855,503.77-376,124,991.78

Finding the Fourth Proportional to 614,528,341.81, 847,855,503.77 and 376,124,991.78

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Solution

The fourth proportional to 614,528,341.81, 847,855,503.77 and 376,124,991.78 is: 518,933,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,528,341.81 : 847,855,503.77 = 376,124,991.78 : x
  2. Step 2: Convert to fraction form
    614,528,341.81/847,855,503.77 = 376,124,991.78/x
  3. Step 3: Cross multiply
    614,528,341.81x = 847,855,503.77 × 376,124,991.78
  4. Step 4: Simplify right side
    614,528,341.81x = 318,899,644,386,118,976
  5. Step 5: Solve for x
    x = 318,899,644,386,118,976/614,528,341.81
  6. Step 6: Final answer
    x = 518,933,990.00

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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.