Home / 28,296,869,542.40-42,445,304,313.60-9,661,572,012.80

Finding the Fourth Proportional to 28,296,869,542.40, 42,445,304,313.60 and 9,661,572,012.80

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Solution

The fourth proportional to 28,296,869,542.40, 42,445,304,313.60 and 9,661,572,012.80 is: 14,492,358,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296,869,542.40 : 42,445,304,313.60 = 9,661,572,012.80 : x
  2. Step 2: Convert to fraction form
    28,296,869,542.40/42,445,304,313.60 = 9,661,572,012.80/x
  3. Step 3: Cross multiply
    28,296,869,542.40x = 42,445,304,313.60 × 9,661,572,012.80
  4. Step 4: Simplify right side
    28,296,869,542.40x = 410,088,364,231,056,818,176
  5. Step 5: Solve for x
    x = 410,088,364,231,056,818,176/28,296,869,542.40
  6. Step 6: Final answer
    x = 14,492,358,019.20

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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.