Home / 539,642,549.85-744,711,852.95-316,628,025.81

Finding the Fourth Proportional to 539,642,549.85, 744,711,852.95 and 316,628,025.81

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Solution

The fourth proportional to 539,642,549.85, 744,711,852.95 and 316,628,025.81 is: 436,949,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,642,549.85 : 744,711,852.95 = 316,628,025.81 : x
  2. Step 2: Convert to fraction form
    539,642,549.85/744,711,852.95 = 316,628,025.81/x
  3. Step 3: Cross multiply
    539,642,549.85x = 744,711,852.95 × 316,628,025.81
  4. Step 4: Simplify right side
    539,642,549.85x = 235,796,643,796,865,536
  5. Step 5: Solve for x
    x = 235,796,643,796,865,536/539,642,549.85
  6. Step 6: Final answer
    x = 436,949,688.02

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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.