Home / 979,880,350.74-1,352,230,805.88-533,842,325.34

Finding the Fourth Proportional to 979,880,350.74, 1,352,230,805.88 and 533,842,325.34

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Solution

The fourth proportional to 979,880,350.74, 1,352,230,805.88 and 533,842,325.34 is: 736,700,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,880,350.74 : 1,352,230,805.88 = 533,842,325.34 : x
  2. Step 2: Convert to fraction form
    979,880,350.74/1,352,230,805.88 = 533,842,325.34/x
  3. Step 3: Cross multiply
    979,880,350.74x = 1,352,230,805.88 × 533,842,325.34
  4. Step 4: Simplify right side
    979,880,350.74x = 721,878,037,807,361,408
  5. Step 5: Solve for x
    x = 721,878,037,807,361,408/979,880,350.74
  6. Step 6: Final answer
    x = 736,700,187.18

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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.