Home / 686,347,295.02-934,488,040.18-684,168,054.82

Finding the Fourth Proportional to 686,347,295.02, 934,488,040.18 and 684,168,054.82

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Solution

The fourth proportional to 686,347,295.02, 934,488,040.18 and 684,168,054.82 is: 931,520,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,347,295.02 : 934,488,040.18 = 684,168,054.82 : x
  2. Step 2: Convert to fraction form
    686,347,295.02/934,488,040.18 = 684,168,054.82/x
  3. Step 3: Cross multiply
    686,347,295.02x = 934,488,040.18 × 684,168,054.82
  4. Step 4: Simplify right side
    686,347,295.02x = 639,346,864,702,504,576
  5. Step 5: Solve for x
    x = 639,346,864,702,504,576/686,347,295.02
  6. Step 6: Final answer
    x = 931,520,921.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.