Home / 970,554,295.80-1,455,831,443.70-426,358,711.80

Finding the Fourth Proportional to 970,554,295.80, 1,455,831,443.70 and 426,358,711.80

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Solution

The fourth proportional to 970,554,295.80, 1,455,831,443.70 and 426,358,711.80 is: 639,538,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,554,295.80 : 1,455,831,443.70 = 426,358,711.80 : x
  2. Step 2: Convert to fraction form
    970,554,295.80/1,455,831,443.70 = 426,358,711.80/x
  3. Step 3: Cross multiply
    970,554,295.80x = 1,455,831,443.70 × 426,358,711.80
  4. Step 4: Simplify right side
    970,554,295.80x = 620,706,418,933,866,240
  5. Step 5: Solve for x
    x = 620,706,418,933,866,240/970,554,295.80
  6. Step 6: Final answer
    x = 639,538,067.70

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1.5x scale

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.