Home / 507,496,803.60-761,245,205.40-162,461,686.80

Finding the Fourth Proportional to 507,496,803.60, 761,245,205.40 and 162,461,686.80

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Solution

The fourth proportional to 507,496,803.60, 761,245,205.40 and 162,461,686.80 is: 243,692,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,496,803.60 : 761,245,205.40 = 162,461,686.80 : x
  2. Step 2: Convert to fraction form
    507,496,803.60/761,245,205.40 = 162,461,686.80/x
  3. Step 3: Cross multiply
    507,496,803.60x = 761,245,205.40 × 162,461,686.80
  4. Step 4: Simplify right side
    507,496,803.60x = 123,673,180,137,696,480
  5. Step 5: Solve for x
    x = 123,673,180,137,696,480/507,496,803.60
  6. Step 6: Final answer
    x = 243,692,530.20

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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.