Home / 874,456,742,886.40-1,311,685,114,329.60-521,527,766,809.60

Finding the Fourth Proportional to 874,456,742,886.40, 1,311,685,114,329.60 and 521,527,766,809.60

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Solution

The fourth proportional to 874,456,742,886.40, 1,311,685,114,329.60 and 521,527,766,809.60 is: 782,291,650,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,456,742,886.40 : 1,311,685,114,329.60 = 521,527,766,809.60 : x
  2. Step 2: Convert to fraction form
    874,456,742,886.40/1,311,685,114,329.60 = 521,527,766,809.60/x
  3. Step 3: Cross multiply
    874,456,742,886.40x = 1,311,685,114,329.60 × 521,527,766,809.60
  4. Step 4: Simplify right side
    874,456,742,886.40x = 684,080,208,433,711,098,626,048
  5. Step 5: Solve for x
    x = 684,080,208,433,711,098,626,048/874,456,742,886.40
  6. Step 6: Final answer
    x = 782,291,650,214.40

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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.