Home / 1,285,956,041.10-1,928,934,061.65-1,276,886,114.70

Finding the Fourth Proportional to 1,285,956,041.10, 1,928,934,061.65 and 1,276,886,114.70

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Solution

The fourth proportional to 1,285,956,041.10, 1,928,934,061.65 and 1,276,886,114.70 is: 1,915,329,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,956,041.10 : 1,928,934,061.65 = 1,276,886,114.70 : x
  2. Step 2: Convert to fraction form
    1,285,956,041.10/1,928,934,061.65 = 1,276,886,114.70/x
  3. Step 3: Cross multiply
    1,285,956,041.10x = 1,928,934,061.65 × 1,276,886,114.70
  4. Step 4: Simplify right side
    1,285,956,041.10x = 2,463,029,119,492,759,040
  5. Step 5: Solve for x
    x = 2,463,029,119,492,759,040/1,285,956,041.10
  6. Step 6: Final answer
    x = 1,915,329,172.05

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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.