Home / 932,496,496.70-1,398,366,831.45-318,764,810.30

Finding the Fourth Proportional to 932,496,496.70, 1,398,366,831.45 and 318,764,810.30

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Solution

The fourth proportional to 932,496,496.70, 1,398,366,831.45 and 318,764,810.30 is: 478,018,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,496,496.70 : 1,398,366,831.45 = 318,764,810.30 : x
  2. Step 2: Convert to fraction form
    932,496,496.70/1,398,366,831.45 = 318,764,810.30/x
  3. Step 3: Cross multiply
    932,496,496.70x = 1,398,366,831.45 × 318,764,810.30
  4. Step 4: Simplify right side
    932,496,496.70x = 445,750,137,756,971,328
  5. Step 5: Solve for x
    x = 445,750,137,756,971,328/932,496,496.70
  6. Step 6: Final answer
    x = 478,018,029.38

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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.