Home / 1,140,943,131.54-1,574,500,327.34-639,155,447.35

Finding the Fourth Proportional to 1,140,943,131.54, 1,574,500,327.34 and 639,155,447.35

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Solution

The fourth proportional to 1,140,943,131.54, 1,574,500,327.34 and 639,155,447.35 is: 882,033,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,943,131.54 : 1,574,500,327.34 = 639,155,447.35 : x
  2. Step 2: Convert to fraction form
    1,140,943,131.54/1,574,500,327.34 = 639,155,447.35/x
  3. Step 3: Cross multiply
    1,140,943,131.54x = 1,574,500,327.34 × 639,155,447.35
  4. Step 4: Simplify right side
    1,140,943,131.54x = 1,006,350,461,066,587,136
  5. Step 5: Solve for x
    x = 1,006,350,461,066,587,136/1,140,943,131.54
  6. Step 6: Final answer
    x = 882,033,848.36

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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.