Home / 1,554,622,188.95-2,145,378,462.29-849,776,985.20

Finding the Fourth Proportional to 1,554,622,188.95, 2,145,378,462.29 and 849,776,985.20

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Solution

The fourth proportional to 1,554,622,188.95, 2,145,378,462.29 and 849,776,985.20 is: 1,172,692,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,622,188.95 : 2,145,378,462.29 = 849,776,985.20 : x
  2. Step 2: Convert to fraction form
    1,554,622,188.95/2,145,378,462.29 = 849,776,985.20/x
  3. Step 3: Cross multiply
    1,554,622,188.95x = 2,145,378,462.29 × 849,776,985.20
  4. Step 4: Simplify right side
    1,554,622,188.95x = 1,823,093,241,782,832,384
  5. Step 5: Solve for x
    x = 1,823,093,241,782,832,384/1,554,622,188.95
  6. Step 6: Final answer
    x = 1,172,692,152.95

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Double scale
Find fourth proportional to 1,554,622,189.95, 2,145,378,463.67 and 849,776,986.20
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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.