Home / 386,208,032.40-579,312,048.60-95,072,842.80

Finding the Fourth Proportional to 386,208,032.40, 579,312,048.60 and 95,072,842.80

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Solution

The fourth proportional to 386,208,032.40, 579,312,048.60 and 95,072,842.80 is: 142,609,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,208,032.40 : 579,312,048.60 = 95,072,842.80 : x
  2. Step 2: Convert to fraction form
    386,208,032.40/579,312,048.60 = 95,072,842.80/x
  3. Step 3: Cross multiply
    386,208,032.40x = 579,312,048.60 × 95,072,842.80
  4. Step 4: Simplify right side
    386,208,032.40x = 55,076,843,328,693,760
  5. Step 5: Solve for x
    x = 55,076,843,328,693,760/386,208,032.40
  6. Step 6: Final answer
    x = 142,609,264.20

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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.