Home / 975,171,780.36-1,345,670,806.38-535,166,975.88

Finding the Fourth Proportional to 975,171,780.36, 1,345,670,806.38 and 535,166,975.88

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Solution

The fourth proportional to 975,171,780.36, 1,345,670,806.38 and 535,166,975.88 is: 738,494,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,171,780.36 : 1,345,670,806.38 = 535,166,975.88 : x
  2. Step 2: Convert to fraction form
    975,171,780.36/1,345,670,806.38 = 535,166,975.88/x
  3. Step 3: Cross multiply
    975,171,780.36x = 1,345,670,806.38 × 535,166,975.88
  4. Step 4: Simplify right side
    975,171,780.36x = 720,158,575,980,385,664
  5. Step 5: Solve for x
    x = 720,158,575,980,385,664/975,171,780.36
  6. Step 6: Final answer
    x = 738,494,068.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.