Home / 931,303,321.02-1,285,199,858.25-507,918,005.19

Finding the Fourth Proportional to 931,303,321.02, 1,285,199,858.25 and 507,918,005.19

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Solution

The fourth proportional to 931,303,321.02, 1,285,199,858.25 and 507,918,005.19 is: 700,927,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,303,321.02 : 1,285,199,858.25 = 507,918,005.19 : x
  2. Step 2: Convert to fraction form
    931,303,321.02/1,285,199,858.25 = 507,918,005.19/x
  3. Step 3: Cross multiply
    931,303,321.02x = 1,285,199,858.25 × 507,918,005.19
  4. Step 4: Simplify right side
    931,303,321.02x = 652,776,148,272,810,752
  5. Step 5: Solve for x
    x = 652,776,148,272,810,752/931,303,321.02
  6. Step 6: Final answer
    x = 700,927,542.66

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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.