Home / 708,499,511.04-1,062,711,475.20-190,921,641.60

Finding the Fourth Proportional to 708,499,511.04, 1,062,711,475.20 and 190,921,641.60

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Solution

The fourth proportional to 708,499,511.04, 1,062,711,475.20 and 190,921,641.60 is: 286,372,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,499,511.04 : 1,062,711,475.20 = 190,921,641.60 : x
  2. Step 2: Convert to fraction form
    708,499,511.04/1,062,711,475.20 = 190,921,641.60/x
  3. Step 3: Cross multiply
    708,499,511.04x = 1,062,711,475.20 × 190,921,641.60
  4. Step 4: Simplify right side
    708,499,511.04x = 202,894,619,392,341,696
  5. Step 5: Solve for x
    x = 202,894,619,392,341,696/708,499,511.04
  6. Step 6: Final answer
    x = 286,372,278.64

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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.