Home / 868,968,010.10-1,303,452,015.15-828,657,226.10

Finding the Fourth Proportional to 868,968,010.10, 1,303,452,015.15 and 828,657,226.10

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Solution

The fourth proportional to 868,968,010.10, 1,303,452,015.15 and 828,657,226.10 is: 1,242,985,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,968,010.10 : 1,303,452,015.15 = 828,657,226.10 : x
  2. Step 2: Convert to fraction form
    868,968,010.10/1,303,452,015.15 = 828,657,226.10/x
  3. Step 3: Cross multiply
    868,968,010.10x = 1,303,452,015.15 × 828,657,226.10
  4. Step 4: Simplify right side
    868,968,010.10x = 1,080,114,931,228,654,336
  5. Step 5: Solve for x
    x = 1,080,114,931,228,654,336/868,968,010.10
  6. Step 6: Final answer
    x = 1,242,985,839.15

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Half scale
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Double scale
Find fourth proportional to 868,968,011.10, 1,303,452,016.65 and 828,657,227.10
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.