Home / 967,561,316.19-1,335,196,157.40-571,211,981.37

Finding the Fourth Proportional to 967,561,316.19, 1,335,196,157.40 and 571,211,981.37

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Solution

The fourth proportional to 967,561,316.19, 1,335,196,157.40 and 571,211,981.37 is: 788,249,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,561,316.19 : 1,335,196,157.40 = 571,211,981.37 : x
  2. Step 2: Convert to fraction form
    967,561,316.19/1,335,196,157.40 = 571,211,981.37/x
  3. Step 3: Cross multiply
    967,561,316.19x = 1,335,196,157.40 × 571,211,981.37
  4. Step 4: Simplify right side
    967,561,316.19x = 762,680,042,586,064,512
  5. Step 5: Solve for x
    x = 762,680,042,586,064,512/967,561,316.19
  6. Step 6: Final answer
    x = 788,249,829.57

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Double scale
Find fourth proportional to 967,561,317.19, 1,335,196,158.78 and 571,211,982.37
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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.