Home / 931,303,324.02-1,285,199,862.39-507,918,008.19

Finding the Fourth Proportional to 931,303,324.02, 1,285,199,862.39 and 507,918,008.19

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Solution

The fourth proportional to 931,303,324.02, 1,285,199,862.39 and 507,918,008.19 is: 700,927,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,303,324.02 : 1,285,199,862.39 = 507,918,008.19 : x
  2. Step 2: Convert to fraction form
    931,303,324.02/1,285,199,862.39 = 507,918,008.19/x
  3. Step 3: Cross multiply
    931,303,324.02x = 1,285,199,862.39 × 507,918,008.19
  4. Step 4: Simplify right side
    931,303,324.02x = 652,776,154,231,190,912
  5. Step 5: Solve for x
    x = 652,776,154,231,190,912/931,303,324.02
  6. Step 6: Final answer
    x = 700,927,546.80

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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.