Home / 1,034,507,999.20-1,551,761,998.80-543,031,362.40

Finding the Fourth Proportional to 1,034,507,999.20, 1,551,761,998.80 and 543,031,362.40

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Solution

The fourth proportional to 1,034,507,999.20, 1,551,761,998.80 and 543,031,362.40 is: 814,547,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,507,999.20 : 1,551,761,998.80 = 543,031,362.40 : x
  2. Step 2: Convert to fraction form
    1,034,507,999.20/1,551,761,998.80 = 543,031,362.40/x
  3. Step 3: Cross multiply
    1,034,507,999.20x = 1,551,761,998.80 × 543,031,362.40
  4. Step 4: Simplify right side
    1,034,507,999.20x = 842,655,432,328,911,104
  5. Step 5: Solve for x
    x = 842,655,432,328,911,104/1,034,507,999.20
  6. Step 6: Final answer
    x = 814,547,043.60

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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.