Home / 1,048,607,510.40-1,573,919,035.20-531,621,705.60

Finding the Fourth Proportional to 1,048,607,510.40, 1,573,919,035.20 and 531,621,705.60

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Solution

The fourth proportional to 1,048,607,510.40, 1,573,919,035.20 and 531,621,705.60 is: 797,943,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,607,510.40 : 1,573,919,035.20 = 531,621,705.60 : x
  2. Step 2: Convert to fraction form
    1,048,607,510.40/1,573,919,035.20 = 531,621,705.60/x
  3. Step 3: Cross multiply
    1,048,607,510.40x = 1,573,919,035.20 × 531,621,705.60
  4. Step 4: Simplify right side
    1,048,607,510.40x = 836,729,521,969,330,560
  5. Step 5: Solve for x
    x = 836,729,521,969,330,560/1,048,607,510.40
  6. Step 6: Final answer
    x = 797,943,476.15

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Double scale
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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.