Home / 874,674,744.80-1,312,012,117.20-817,279,116.80

Finding the Fourth Proportional to 874,674,744.80, 1,312,012,117.20 and 817,279,116.80

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Solution

The fourth proportional to 874,674,744.80, 1,312,012,117.20 and 817,279,116.80 is: 1,225,918,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,674,744.80 : 1,312,012,117.20 = 817,279,116.80 : x
  2. Step 2: Convert to fraction form
    874,674,744.80/1,312,012,117.20 = 817,279,116.80/x
  3. Step 3: Cross multiply
    874,674,744.80x = 1,312,012,117.20 × 817,279,116.80
  4. Step 4: Simplify right side
    874,674,744.80x = 1,072,280,104,376,114,048
  5. Step 5: Solve for x
    x = 1,072,280,104,376,114,048/874,674,744.80
  6. Step 6: Final answer
    x = 1,225,918,675.20

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1.5x scale

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.