Home / 1,303,350,143.70-1,798,684,688.97-738,845,966.30

Finding the Fourth Proportional to 1,303,350,143.70, 1,798,684,688.97 and 738,845,966.30

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Solution

The fourth proportional to 1,303,350,143.70, 1,798,684,688.97 and 738,845,966.30 is: 1,019,642,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,350,143.70 : 1,798,684,688.97 = 738,845,966.30 : x
  2. Step 2: Convert to fraction form
    1,303,350,143.70/1,798,684,688.97 = 738,845,966.30/x
  3. Step 3: Cross multiply
    1,303,350,143.70x = 1,798,684,688.97 × 738,845,966.30
  4. Step 4: Simplify right side
    1,303,350,143.70x = 1,328,950,927,082,061,056
  5. Step 5: Solve for x
    x = 1,328,950,927,082,061,056/1,303,350,143.70
  6. Step 6: Final answer
    x = 1,019,642,291.45

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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.