Home / 756,337,972.84-1,043,746,404.52-408,657,460.84

Finding the Fourth Proportional to 756,337,972.84, 1,043,746,404.52 and 408,657,460.84

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Solution

The fourth proportional to 756,337,972.84, 1,043,746,404.52 and 408,657,460.84 is: 563,947,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,337,972.84 : 1,043,746,404.52 = 408,657,460.84 : x
  2. Step 2: Convert to fraction form
    756,337,972.84/1,043,746,404.52 = 408,657,460.84/x
  3. Step 3: Cross multiply
    756,337,972.84x = 1,043,746,404.52 × 408,657,460.84
  4. Step 4: Simplify right side
    756,337,972.84x = 426,534,755,426,803,968
  5. Step 5: Solve for x
    x = 426,534,755,426,803,968/756,337,972.84
  6. Step 6: Final answer
    x = 563,947,297.04

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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.