Home / 2,870,877,477-4,306,316,210.67-689,843,613

Finding the Fourth Proportional to 2,870,877,477, 4,306,316,210.67 and 689,843,613

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Solution

The fourth proportional to 2,870,877,477, 4,306,316,210.67 and 689,843,613 is: 1,034,765,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,877,477 : 4,306,316,210.67 = 689,843,613 : x
  2. Step 2: Convert to fraction form
    2,870,877,477/4,306,316,210.67 = 689,843,613/x
  3. Step 3: Cross multiply
    2,870,877,477x = 4,306,316,210.67 × 689,843,613
  4. Step 4: Simplify right side
    2,870,877,477x = 2,970,684,733,489,061,888
  5. Step 5: Solve for x
    x = 2,970,684,733,489,061,888/2,870,877,477
  6. Step 6: Final answer
    x = 1,034,765,418.34

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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.