Home / 790,896,009.90-1,186,344,014.85-532,235,145.90

Finding the Fourth Proportional to 790,896,009.90, 1,186,344,014.85 and 532,235,145.90

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Solution

The fourth proportional to 790,896,009.90, 1,186,344,014.85 and 532,235,145.90 is: 798,352,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,896,009.90 : 1,186,344,014.85 = 532,235,145.90 : x
  2. Step 2: Convert to fraction form
    790,896,009.90/1,186,344,014.85 = 532,235,145.90/x
  3. Step 3: Cross multiply
    790,896,009.90x = 1,186,344,014.85 × 532,235,145.90
  4. Step 4: Simplify right side
    790,896,009.90x = 631,413,979,831,281,408
  5. Step 5: Solve for x
    x = 631,413,979,831,281,408/790,896,009.90
  6. Step 6: Final answer
    x = 798,352,718.85

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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.