Home / 642,069,643.60-963,104,465.40-462,014,808.40

Finding the Fourth Proportional to 642,069,643.60, 963,104,465.40 and 462,014,808.40

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Solution

The fourth proportional to 642,069,643.60, 963,104,465.40 and 462,014,808.40 is: 693,022,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,069,643.60 : 963,104,465.40 = 462,014,808.40 : x
  2. Step 2: Convert to fraction form
    642,069,643.60/963,104,465.40 = 462,014,808.40/x
  3. Step 3: Cross multiply
    642,069,643.60x = 963,104,465.40 × 462,014,808.40
  4. Step 4: Simplify right side
    642,069,643.60x = 444,968,525,050,965,376
  5. Step 5: Solve for x
    x = 444,968,525,050,965,376/642,069,643.60
  6. Step 6: Final answer
    x = 693,022,212.60

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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.