Home / 449,382,058.92-620,166,393.47-251,143,547.86

Finding the Fourth Proportional to 449,382,058.92, 620,166,393.47 and 251,143,547.86

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Solution

The fourth proportional to 449,382,058.92, 620,166,393.47 and 251,143,547.86 is: 346,588,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,382,058.92 : 620,166,393.47 = 251,143,547.86 : x
  2. Step 2: Convert to fraction form
    449,382,058.92/620,166,393.47 = 251,143,547.86/x
  3. Step 3: Cross multiply
    449,382,058.92x = 620,166,393.47 × 251,143,547.86
  4. Step 4: Simplify right side
    449,382,058.92x = 155,750,788,319,596,544
  5. Step 5: Solve for x
    x = 155,750,788,319,596,544/449,382,058.92
  6. Step 6: Final answer
    x = 346,588,799.50

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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.