Home / 656,113,303.60-984,095,305.80-171,488,100.40

Finding the Fourth Proportional to 656,113,303.60, 984,095,305.80 and 171,488,100.40

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Solution

The fourth proportional to 656,113,303.60, 984,095,305.80 and 171,488,100.40 is: 257,212,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,113,303.60 : 984,095,305.80 = 171,488,100.40 : x
  2. Step 2: Convert to fraction form
    656,113,303.60/984,095,305.80 = 171,488,100.40/x
  3. Step 3: Cross multiply
    656,113,303.60x = 984,095,305.80 × 171,488,100.40
  4. Step 4: Simplify right side
    656,113,303.60x = 168,760,634,604,199,104
  5. Step 5: Solve for x
    x = 168,760,634,604,199,104/656,113,303.60
  6. Step 6: Final answer
    x = 257,212,639.46

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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.