Home / 975,171,778.35-1,345,670,803.63-535,166,973.87

Finding the Fourth Proportional to 975,171,778.35, 1,345,670,803.63 and 535,166,973.87

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Solution

The fourth proportional to 975,171,778.35, 1,345,670,803.63 and 535,166,973.87 is: 738,494,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,171,778.35 : 1,345,670,803.63 = 535,166,973.87 : x
  2. Step 2: Convert to fraction form
    975,171,778.35/1,345,670,803.63 = 535,166,973.87/x
  3. Step 3: Cross multiply
    975,171,778.35x = 1,345,670,803.63 × 535,166,973.87
  4. Step 4: Simplify right side
    975,171,778.35x = 720,158,571,803,878,144
  5. Step 5: Solve for x
    x = 720,158,571,803,878,144/975,171,778.35
  6. Step 6: Final answer
    x = 738,494,066.17

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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.