Home / 524,426,628.21-723,708,637.80-289,477,226.41

Finding the Fourth Proportional to 524,426,628.21, 723,708,637.80 and 289,477,226.41

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Solution

The fourth proportional to 524,426,628.21, 723,708,637.80 and 289,477,226.41 is: 399,478,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,426,628.21 : 723,708,637.80 = 289,477,226.41 : x
  2. Step 2: Convert to fraction form
    524,426,628.21/723,708,637.80 = 289,477,226.41/x
  3. Step 3: Cross multiply
    524,426,628.21x = 723,708,637.80 × 289,477,226.41
  4. Step 4: Simplify right side
    524,426,628.21x = 209,497,169,199,303,296
  5. Step 5: Solve for x
    x = 209,497,169,199,303,296/524,426,628.21
  6. Step 6: Final answer
    x = 399,478,512.21

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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.