Home / 3,886,391,900,718.80-5,363,389,411,909.20-2,152,201,457,050.70

Finding the Fourth Proportional to 3,886,391,900,718.80, 5,363,389,411,909.20 and 2,152,201,457,050.70

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Solution

The fourth proportional to 3,886,391,900,718.80, 5,363,389,411,909.20 and 2,152,201,457,050.70 is: 2,970,131,371,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,391,900,718.80 : 5,363,389,411,909.20 = 2,152,201,457,050.70 : x
  2. Step 2: Convert to fraction form
    3,886,391,900,718.80/5,363,389,411,909.20 = 2,152,201,457,050.70/x
  3. Step 3: Cross multiply
    3,886,391,900,718.80x = 5,363,389,411,909.20 × 2,152,201,457,050.70
  4. Step 4: Simplify right side
    3,886,391,900,718.80x = 11,543,094,507,041,277,115,105,280
  5. Step 5: Solve for x
    x = 11,543,094,507,041,277,115,105,280/3,886,391,900,718.80
  6. Step 6: Final answer
    x = 2,970,131,371,698.86

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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.