Home / 3,886,391,900,709.80-5,363,389,411,897-2,152,201,457,041.80

Finding the Fourth Proportional to 3,886,391,900,709.80, 5,363,389,411,897 and 2,152,201,457,041.80

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Solution

The fourth proportional to 3,886,391,900,709.80, 5,363,389,411,897 and 2,152,201,457,041.80 is: 2,970,131,371,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,391,900,709.80 : 5,363,389,411,897 = 2,152,201,457,041.80 : x
  2. Step 2: Convert to fraction form
    3,886,391,900,709.80/5,363,389,411,897 = 2,152,201,457,041.80/x
  3. Step 3: Cross multiply
    3,886,391,900,709.80x = 5,363,389,411,897 × 2,152,201,457,041.80
  4. Step 4: Simplify right side
    3,886,391,900,709.80x = 11,543,094,506,967,285,566,013,440
  5. Step 5: Solve for x
    x = 11,543,094,506,967,285,566,013,440/3,886,391,900,709.80
  6. Step 6: Final answer
    x = 2,970,131,371,686.70

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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.