Home / 472,393,625.40-708,590,438.10-462,315,929.40

Finding the Fourth Proportional to 472,393,625.40, 708,590,438.10 and 462,315,929.40

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Solution

The fourth proportional to 472,393,625.40, 708,590,438.10 and 462,315,929.40 is: 693,473,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,625.40 : 708,590,438.10 = 462,315,929.40 : x
  2. Step 2: Convert to fraction form
    472,393,625.40/708,590,438.10 = 462,315,929.40/x
  3. Step 3: Cross multiply
    472,393,625.40x = 708,590,438.10 × 462,315,929.40
  4. Step 4: Simplify right side
    472,393,625.40x = 327,592,646,954,154,688
  5. Step 5: Solve for x
    x = 327,592,646,954,154,688/472,393,625.40
  6. Step 6: Final answer
    x = 693,473,894.10

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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.