Home / 1,005,968,421.35-1,388,236,488.22-559,922,212.23

Finding the Fourth Proportional to 1,005,968,421.35, 1,388,236,488.22 and 559,922,212.23

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Solution

The fourth proportional to 1,005,968,421.35, 1,388,236,488.22 and 559,922,212.23 is: 772,692,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,421.35 : 1,388,236,488.22 = 559,922,212.23 : x
  2. Step 2: Convert to fraction form
    1,005,968,421.35/1,388,236,488.22 = 559,922,212.23/x
  3. Step 3: Cross multiply
    1,005,968,421.35x = 1,388,236,488.22 × 559,922,212.23
  4. Step 4: Simplify right side
    1,005,968,421.35x = 777,304,445,574,207,744
  5. Step 5: Solve for x
    x = 777,304,445,574,207,744/1,005,968,421.35
  6. Step 6: Final answer
    x = 772,692,690.03

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Half scale
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Double scale
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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.