Home / 1,620,088,837.47-2,235,710,692.86-915,228,010.35

Finding the Fourth Proportional to 1,620,088,837.47, 2,235,710,692.86 and 915,228,010.35

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Solution

The fourth proportional to 1,620,088,837.47, 2,235,710,692.86 and 915,228,010.35 is: 1,263,007,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,088,837.47 : 2,235,710,692.86 = 915,228,010.35 : x
  2. Step 2: Convert to fraction form
    1,620,088,837.47/2,235,710,692.86 = 915,228,010.35/x
  3. Step 3: Cross multiply
    1,620,088,837.47x = 2,235,710,692.86 × 915,228,010.35
  4. Step 4: Simplify right side
    1,620,088,837.47x = 2,046,185,049,144,477,952
  5. Step 5: Solve for x
    x = 2,046,185,049,144,477,952/1,620,088,837.47
  6. Step 6: Final answer
    x = 1,263,007,930.07

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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.