Home / 524,426,787.54-723,708,857.46-289,477,386.72

Finding the Fourth Proportional to 524,426,787.54, 723,708,857.46 and 289,477,386.72

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Solution

The fourth proportional to 524,426,787.54, 723,708,857.46 and 289,477,386.72 is: 399,478,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,426,787.54 : 723,708,857.46 = 289,477,386.72 : x
  2. Step 2: Convert to fraction form
    524,426,787.54/723,708,857.46 = 289,477,386.72/x
  3. Step 3: Cross multiply
    524,426,787.54x = 723,708,857.46 × 289,477,386.72
  4. Step 4: Simplify right side
    524,426,787.54x = 209,497,348,803,637,824
  5. Step 5: Solve for x
    x = 209,497,348,803,637,824/524,426,787.54
  6. Step 6: Final answer
    x = 399,478,733.32

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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.