Home / 845,782,778.07-1,269,919,557.89-473,020,989.48

Finding the Fourth Proportional to 845,782,778.07, 1,269,919,557.89 and 473,020,989.48

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Solution

The fourth proportional to 845,782,778.07, 1,269,919,557.89 and 473,020,989.48 is: 710,227,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,782,778.07 : 1,269,919,557.89 = 473,020,989.48 : x
  2. Step 2: Convert to fraction form
    845,782,778.07/1,269,919,557.89 = 473,020,989.48/x
  3. Step 3: Cross multiply
    845,782,778.07x = 1,269,919,557.89 × 473,020,989.48
  4. Step 4: Simplify right side
    845,782,778.07x = 600,698,605,833,132,032
  5. Step 5: Solve for x
    x = 600,698,605,833,132,032/845,782,778.07
  6. Step 6: Final answer
    x = 710,227,994.01

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1.5x scale

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.