Home / 907,120,260.80-1,360,932,333.60-389,798,532.80

Finding the Fourth Proportional to 907,120,260.80, 1,360,932,333.60 and 389,798,532.80

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Solution

The fourth proportional to 907,120,260.80, 1,360,932,333.60 and 389,798,532.80 is: 584,806,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,120,260.80 : 1,360,932,333.60 = 389,798,532.80 : x
  2. Step 2: Convert to fraction form
    907,120,260.80/1,360,932,333.60 = 389,798,532.80/x
  3. Step 3: Cross multiply
    907,120,260.80x = 1,360,932,333.60 × 389,798,532.80
  4. Step 4: Simplify right side
    907,120,260.80x = 530,489,426,877,360,128
  5. Step 5: Solve for x
    x = 530,489,426,877,360,128/907,120,260.80
  6. Step 6: Final answer
    x = 584,806,061.34

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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.