Home / 979,018,466.40-1,465,126,477.20-897,389,128.80

Finding the Fourth Proportional to 979,018,466.40, 1,465,126,477.20 and 897,389,128.80

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Solution

The fourth proportional to 979,018,466.40, 1,465,126,477.20 and 897,389,128.80 is: 1,342,966,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,018,466.40 : 1,465,126,477.20 = 897,389,128.80 : x
  2. Step 2: Convert to fraction form
    979,018,466.40/1,465,126,477.20 = 897,389,128.80/x
  3. Step 3: Cross multiply
    979,018,466.40x = 1,465,126,477.20 × 897,389,128.80
  4. Step 4: Simplify right side
    979,018,466.40x = 1,314,788,572,956,321,024
  5. Step 5: Solve for x
    x = 1,314,788,572,956,321,024/979,018,466.40
  6. Step 6: Final answer
    x = 1,342,966,060.48

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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.