Home / 1,312,795,440.10-1,811,636,390.32-718,074,722.22

Finding the Fourth Proportional to 1,312,795,440.10, 1,811,636,390.32 and 718,074,722.22

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Solution

The fourth proportional to 1,312,795,440.10, 1,811,636,390.32 and 718,074,722.22 is: 990,931,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,795,440.10 : 1,811,636,390.32 = 718,074,722.22 : x
  2. Step 2: Convert to fraction form
    1,312,795,440.10/1,811,636,390.32 = 718,074,722.22/x
  3. Step 3: Cross multiply
    1,312,795,440.10x = 1,811,636,390.32 × 718,074,722.22
  4. Step 4: Simplify right side
    1,312,795,440.10x = 1,300,890,297,742,677,504
  5. Step 5: Solve for x
    x = 1,300,890,297,742,677,504/1,312,795,440.10
  6. Step 6: Final answer
    x = 990,931,456.65

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Double scale
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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.