Home / 915,747,786.20-1,264,060,657.86-544,468,931.84

Finding the Fourth Proportional to 915,747,786.20, 1,264,060,657.86 and 544,468,931.84

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Solution

The fourth proportional to 915,747,786.20, 1,264,060,657.86 and 544,468,931.84 is: 751,562,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,747,786.20 : 1,264,060,657.86 = 544,468,931.84 : x
  2. Step 2: Convert to fraction form
    915,747,786.20/1,264,060,657.86 = 544,468,931.84/x
  3. Step 3: Cross multiply
    915,747,786.20x = 1,264,060,657.86 × 544,468,931.84
  4. Step 4: Simplify right side
    915,747,786.20x = 688,241,756,166,001,920
  5. Step 5: Solve for x
    x = 688,241,756,166,001,920/915,747,786.20
  6. Step 6: Final answer
    x = 751,562,566.18

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Double scale
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1.5x scale

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.