Home / 870,681,205.46-1,306,583,684.04-317,937,354.71

Finding the Fourth Proportional to 870,681,205.46, 1,306,583,684.04 and 317,937,354.71

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Solution

The fourth proportional to 870,681,205.46, 1,306,583,684.04 and 317,937,354.71 is: 477,111,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,681,205.46 : 1,306,583,684.04 = 317,937,354.71 : x
  2. Step 2: Convert to fraction form
    870,681,205.46/1,306,583,684.04 = 317,937,354.71/x
  3. Step 3: Cross multiply
    870,681,205.46x = 1,306,583,684.04 × 317,937,354.71
  4. Step 4: Simplify right side
    870,681,205.46x = 415,411,760,210,924,032
  5. Step 5: Solve for x
    x = 415,411,760,210,924,032/870,681,205.46
  6. Step 6: Final answer
    x = 477,111,206.27

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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.