Home / 1,121,292,002.35-1,681,938,003.53-662,126,978.35

Finding the Fourth Proportional to 1,121,292,002.35, 1,681,938,003.53 and 662,126,978.35

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Solution

The fourth proportional to 1,121,292,002.35, 1,681,938,003.53 and 662,126,978.35 is: 993,190,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,292,002.35 : 1,681,938,003.53 = 662,126,978.35 : x
  2. Step 2: Convert to fraction form
    1,121,292,002.35/1,681,938,003.53 = 662,126,978.35/x
  3. Step 3: Cross multiply
    1,121,292,002.35x = 1,681,938,003.53 × 662,126,978.35
  4. Step 4: Simplify right side
    1,121,292,002.35x = 1,113,656,528,049,350,528
  5. Step 5: Solve for x
    x = 1,113,656,528,049,350,528/1,121,292,002.35
  6. Step 6: Final answer
    x = 993,190,467.53

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Half scale
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Double scale
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Similar ratio
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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.