Home / 554,486,063.10-831,729,094.65-145,583,547.90

Finding the Fourth Proportional to 554,486,063.10, 831,729,094.65 and 145,583,547.90

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Solution

The fourth proportional to 554,486,063.10, 831,729,094.65 and 145,583,547.90 is: 218,375,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,486,063.10 : 831,729,094.65 = 145,583,547.90 : x
  2. Step 2: Convert to fraction form
    554,486,063.10/831,729,094.65 = 145,583,547.90/x
  3. Step 3: Cross multiply
    554,486,063.10x = 831,729,094.65 × 145,583,547.90
  4. Step 4: Simplify right side
    554,486,063.10x = 121,086,072,490,801,904
  5. Step 5: Solve for x
    x = 121,086,072,490,801,904/554,486,063.10
  6. Step 6: Final answer
    x = 218,375,321.85

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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.