Home / 689,913,528,885.18-1,033,945,251,101.80-536,943,134,689.95

Finding the Fourth Proportional to 689,913,528,885.18, 1,033,945,251,101.80 and 536,943,134,689.95

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Solution

The fourth proportional to 689,913,528,885.18, 1,033,945,251,101.80 and 536,943,134,689.95 is: 804,694,763,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,913,528,885.18 : 1,033,945,251,101.80 = 536,943,134,689.95 : x
  2. Step 2: Convert to fraction form
    689,913,528,885.18/1,033,945,251,101.80 = 536,943,134,689.95/x
  3. Step 3: Cross multiply
    689,913,528,885.18x = 1,033,945,251,101.80 × 536,943,134,689.95
  4. Step 4: Simplify right side
    689,913,528,885.18x = 555,169,804,224,387,994,353,664
  5. Step 5: Solve for x
    x = 555,169,804,224,387,994,353,664/689,913,528,885.18
  6. Step 6: Final answer
    x = 804,694,763,880.74

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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.