Home / 931,303,325.02-1,285,199,863.77-507,918,009.19

Finding the Fourth Proportional to 931,303,325.02, 1,285,199,863.77 and 507,918,009.19

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Solution

The fourth proportional to 931,303,325.02, 1,285,199,863.77 and 507,918,009.19 is: 700,927,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,303,325.02 : 1,285,199,863.77 = 507,918,009.19 : x
  2. Step 2: Convert to fraction form
    931,303,325.02/1,285,199,863.77 = 507,918,009.19/x
  3. Step 3: Cross multiply
    931,303,325.02x = 1,285,199,863.77 × 507,918,009.19
  4. Step 4: Simplify right side
    931,303,325.02x = 652,776,156,217,317,632
  5. Step 5: Solve for x
    x = 652,776,156,217,317,632/931,303,325.02
  6. Step 6: Final answer
    x = 700,927,548.18

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Half scale
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Double scale
Find fourth proportional to 931,303,326.02, 1,285,199,865.15 and 507,918,010.19
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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.