Home / 1,248,600,654.55-1,722,849,880.63-712,507,552.90

Finding the Fourth Proportional to 1,248,600,654.55, 1,722,849,880.63 and 712,507,552.90

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Solution

The fourth proportional to 1,248,600,654.55, 1,722,849,880.63 and 712,507,552.90 is: 983,135,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,600,654.55 : 1,722,849,880.63 = 712,507,552.90 : x
  2. Step 2: Convert to fraction form
    1,248,600,654.55/1,722,849,880.63 = 712,507,552.90/x
  3. Step 3: Cross multiply
    1,248,600,654.55x = 1,722,849,880.63 × 712,507,552.90
  4. Step 4: Simplify right side
    1,248,600,654.55x = 1,227,543,552,461,738,496
  5. Step 5: Solve for x
    x = 1,227,543,552,461,738,496/1,248,600,654.55
  6. Step 6: Final answer
    x = 983,135,438.85

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Double scale
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1.5x scale

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.