Home / 72,056,698,013,632-99,430,292,581,654-40,408,876,972,782

Finding the Fourth Proportional to 72,056,698,013,632, 99,430,292,581,654 and 40,408,876,972,782

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Solution

The fourth proportional to 72,056,698,013,632, 99,430,292,581,654 and 40,408,876,972,782 is: 55,759,791,539,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,056,698,013,632 : 99,430,292,581,654 = 40,408,876,972,782 : x
  2. Step 2: Convert to fraction form
    72,056,698,013,632/99,430,292,581,654 = 40,408,876,972,782/x
  3. Step 3: Cross multiply
    72,056,698,013,632x = 99,430,292,581,654 × 40,408,876,972,782
  4. Step 4: Simplify right side
    72,056,698,013,632x = 4,017,866,460,299,775,354,779,729,920
  5. Step 5: Solve for x
    x = 4,017,866,460,299,775,354,779,729,920/72,056,698,013,632
  6. Step 6: Final answer
    x = 55,759,791,539,985.05

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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.