Home / 1,398,528,054.70-2,097,792,082.05-672,933,942.70

Finding the Fourth Proportional to 1,398,528,054.70, 2,097,792,082.05 and 672,933,942.70

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Solution

The fourth proportional to 1,398,528,054.70, 2,097,792,082.05 and 672,933,942.70 is: 1,009,400,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,528,054.70 : 2,097,792,082.05 = 672,933,942.70 : x
  2. Step 2: Convert to fraction form
    1,398,528,054.70/2,097,792,082.05 = 672,933,942.70/x
  3. Step 3: Cross multiply
    1,398,528,054.70x = 2,097,792,082.05 × 672,933,942.70
  4. Step 4: Simplify right side
    1,398,528,054.70x = 1,411,675,496,738,748,416
  5. Step 5: Solve for x
    x = 1,411,675,496,738,748,416/1,398,528,054.70
  6. Step 6: Final answer
    x = 1,009,400,914.05

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Double scale
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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.