Home / 708,838,501.20-1,063,257,751.80-191,268,111.30

Finding the Fourth Proportional to 708,838,501.20, 1,063,257,751.80 and 191,268,111.30

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Solution

The fourth proportional to 708,838,501.20, 1,063,257,751.80 and 191,268,111.30 is: 286,902,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,838,501.20 : 1,063,257,751.80 = 191,268,111.30 : x
  2. Step 2: Convert to fraction form
    708,838,501.20/1,063,257,751.80 = 191,268,111.30/x
  3. Step 3: Cross multiply
    708,838,501.20x = 1,063,257,751.80 × 191,268,111.30
  4. Step 4: Simplify right side
    708,838,501.20x = 203,367,302,011,870,176
  5. Step 5: Solve for x
    x = 203,367,302,011,870,176/708,838,501.20
  6. Step 6: Final answer
    x = 286,902,166.95

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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.