Home / 513,159,307.36-769,810,510.02-158,662,533.64

Finding the Fourth Proportional to 513,159,307.36, 769,810,510.02 and 158,662,533.64

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Solution

The fourth proportional to 513,159,307.36, 769,810,510.02 and 158,662,533.64 is: 238,015,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,159,307.36 : 769,810,510.02 = 158,662,533.64 : x
  2. Step 2: Convert to fraction form
    513,159,307.36/769,810,510.02 = 158,662,533.64/x
  3. Step 3: Cross multiply
    513,159,307.36x = 769,810,510.02 × 158,662,533.64
  4. Step 4: Simplify right side
    513,159,307.36x = 122,140,085,942,473,792
  5. Step 5: Solve for x
    x = 122,140,085,942,473,792/513,159,307.36
  6. Step 6: Final answer
    x = 238,015,922.52

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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.