Home / 979,803,028.80-1,469,704,543.20-435,607,444.80

Finding the Fourth Proportional to 979,803,028.80, 1,469,704,543.20 and 435,607,444.80

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Solution

The fourth proportional to 979,803,028.80, 1,469,704,543.20 and 435,607,444.80 is: 653,411,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,803,028.80 : 1,469,704,543.20 = 435,607,444.80 : x
  2. Step 2: Convert to fraction form
    979,803,028.80/1,469,704,543.20 = 435,607,444.80/x
  3. Step 3: Cross multiply
    979,803,028.80x = 1,469,704,543.20 × 435,607,444.80
  4. Step 4: Simplify right side
    979,803,028.80x = 640,214,240,674,303,232
  5. Step 5: Solve for x
    x = 640,214,240,674,303,232/979,803,028.80
  6. Step 6: Final answer
    x = 653,411,167.20

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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.