Home / 393,352,426,156.32-589,135,014,435.16-307,829,232,159.12

Finding the Fourth Proportional to 393,352,426,156.32, 589,135,014,435.16 and 307,829,232,159.12

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Solution

The fourth proportional to 393,352,426,156.32, 589,135,014,435.16 and 307,829,232,159.12 is: 461,044,516,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,352,426,156.32 : 589,135,014,435.16 = 307,829,232,159.12 : x
  2. Step 2: Convert to fraction form
    393,352,426,156.32/589,135,014,435.16 = 307,829,232,159.12/x
  3. Step 3: Cross multiply
    393,352,426,156.32x = 589,135,014,435.16 × 307,829,232,159.12
  4. Step 4: Simplify right side
    393,352,426,156.32x = 181,352,979,131,627,397,447,680
  5. Step 5: Solve for x
    x = 181,352,979,131,627,397,447,680/393,352,426,156.32
  6. Step 6: Final answer
    x = 461,044,516,500.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.