Home / 25,381,017,746.40-38,071,526,619.60-20,483,257,490.40

Finding the Fourth Proportional to 25,381,017,746.40, 38,071,526,619.60 and 20,483,257,490.40

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Solution

The fourth proportional to 25,381,017,746.40, 38,071,526,619.60 and 20,483,257,490.40 is: 30,724,886,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381,017,746.40 : 38,071,526,619.60 = 20,483,257,490.40 : x
  2. Step 2: Convert to fraction form
    25,381,017,746.40/38,071,526,619.60 = 20,483,257,490.40/x
  3. Step 3: Cross multiply
    25,381,017,746.40x = 38,071,526,619.60 × 20,483,257,490.40
  4. Step 4: Simplify right side
    25,381,017,746.40x = 779,828,882,801,884,659,712
  5. Step 5: Solve for x
    x = 779,828,882,801,884,659,712/25,381,017,746.40
  6. Step 6: Final answer
    x = 30,724,886,235.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.