Home / 1,241,113,345.82-1,712,755,407.39-676,598,607.26

Finding the Fourth Proportional to 1,241,113,345.82, 1,712,755,407.39 and 676,598,607.26

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Solution

The fourth proportional to 1,241,113,345.82, 1,712,755,407.39 and 676,598,607.26 is: 933,716,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,113,345.82 : 1,712,755,407.39 = 676,598,607.26 : x
  2. Step 2: Convert to fraction form
    1,241,113,345.82/1,712,755,407.39 = 676,598,607.26/x
  3. Step 3: Cross multiply
    1,241,113,345.82x = 1,712,755,407.39 × 676,598,607.26
  4. Step 4: Simplify right side
    1,241,113,345.82x = 1,158,847,923,217,107,968
  5. Step 5: Solve for x
    x = 1,158,847,923,217,107,968/1,241,113,345.82
  6. Step 6: Final answer
    x = 933,716,430.59

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Double scale
Find fourth proportional to 1,241,113,346.82, 1,712,755,408.77 and 676,598,608.26
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1.5x scale

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.