Home / 1,127,225,463.50-1,550,054,937.46-978,288,012.89

Finding the Fourth Proportional to 1,127,225,463.50, 1,550,054,937.46 and 978,288,012.89

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Solution

The fourth proportional to 1,127,225,463.50, 1,550,054,937.46 and 978,288,012.89 is: 1,345,250,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,225,463.50 : 1,550,054,937.46 = 978,288,012.89 : x
  2. Step 2: Convert to fraction form
    1,127,225,463.50/1,550,054,937.46 = 978,288,012.89/x
  3. Step 3: Cross multiply
    1,127,225,463.50x = 1,550,054,937.46 × 978,288,012.89
  4. Step 4: Simplify right side
    1,127,225,463.50x = 1,516,400,164,635,438,592
  5. Step 5: Solve for x
    x = 1,516,400,164,635,438,592/1,127,225,463.50
  6. Step 6: Final answer
    x = 1,345,250,097.47

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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.