Home / 524,426,627.95-723,708,637.45-289,477,226.16

Finding the Fourth Proportional to 524,426,627.95, 723,708,637.45 and 289,477,226.16

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Solution

The fourth proportional to 524,426,627.95, 723,708,637.45 and 289,477,226.16 is: 399,478,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,426,627.95 : 723,708,637.45 = 289,477,226.16 : x
  2. Step 2: Convert to fraction form
    524,426,627.95/723,708,637.45 = 289,477,226.16/x
  3. Step 3: Cross multiply
    524,426,627.95x = 723,708,637.45 × 289,477,226.16
  4. Step 4: Simplify right side
    524,426,627.95x = 209,497,168,916,335,424
  5. Step 5: Solve for x
    x = 209,497,168,916,335,424/524,426,627.95
  6. Step 6: Final answer
    x = 399,478,511.87

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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.