Home / 560,078,750.80-838,774,433.40-272,528,491.60

Finding the Fourth Proportional to 560,078,750.80, 838,774,433.40 and 272,528,491.60

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Solution

The fourth proportional to 560,078,750.80, 838,774,433.40 and 272,528,491.60 is: 408,138,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,078,750.80 : 838,774,433.40 = 272,528,491.60 : x
  2. Step 2: Convert to fraction form
    560,078,750.80/838,774,433.40 = 272,528,491.60/x
  3. Step 3: Cross multiply
    560,078,750.80x = 838,774,433.40 × 272,528,491.60
  4. Step 4: Simplify right side
    560,078,750.80x = 228,589,931,127,146,688
  5. Step 5: Solve for x
    x = 228,589,931,127,146,688/560,078,750.80
  6. Step 6: Final answer
    x = 408,138,910.47

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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.