Home / 14,405,646,528-19,879,792,208.64-7,812,593,856

Finding the Fourth Proportional to 14,405,646,528, 19,879,792,208.64 and 7,812,593,856

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Solution

The fourth proportional to 14,405,646,528, 19,879,792,208.64 and 7,812,593,856 is: 10,781,379,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405,646,528 : 19,879,792,208.64 = 7,812,593,856 : x
  2. Step 2: Convert to fraction form
    14,405,646,528/19,879,792,208.64 = 7,812,593,856/x
  3. Step 3: Cross multiply
    14,405,646,528x = 19,879,792,208.64 × 7,812,593,856
  4. Step 4: Simplify right side
    14,405,646,528x = 155,312,742,467,777,527,808
  5. Step 5: Solve for x
    x = 155,312,742,467,777,527,808/14,405,646,528
  6. Step 6: Final answer
    x = 10,781,379,521.28

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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.