Home / 792,088,691.60-1,188,133,037.40-724,008,256.40

Finding the Fourth Proportional to 792,088,691.60, 1,188,133,037.40 and 724,008,256.40

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Solution

The fourth proportional to 792,088,691.60, 1,188,133,037.40 and 724,008,256.40 is: 1,086,012,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,088,691.60 : 1,188,133,037.40 = 724,008,256.40 : x
  2. Step 2: Convert to fraction form
    792,088,691.60/1,188,133,037.40 = 724,008,256.40/x
  3. Step 3: Cross multiply
    792,088,691.60x = 1,188,133,037.40 × 724,008,256.40
  4. Step 4: Simplify right side
    792,088,691.60x = 860,218,128,779,209,984
  5. Step 5: Solve for x
    x = 860,218,128,779,209,984/792,088,691.60
  6. Step 6: Final answer
    x = 1,086,012,384.60

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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.