Home / 851,308,268.94-1,174,840,279.14-537,928,140.06

Finding the Fourth Proportional to 851,308,268.94, 1,174,840,279.14 and 537,928,140.06

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Solution

The fourth proportional to 851,308,268.94, 1,174,840,279.14 and 537,928,140.06 is: 742,362,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,308,268.94 : 1,174,840,279.14 = 537,928,140.06 : x
  2. Step 2: Convert to fraction form
    851,308,268.94/1,174,840,279.14 = 537,928,140.06/x
  3. Step 3: Cross multiply
    851,308,268.94x = 1,174,840,279.14 × 537,928,140.06
  4. Step 4: Simplify right side
    851,308,268.94x = 631,979,646,225,351,424
  5. Step 5: Solve for x
    x = 631,979,646,225,351,424/851,308,268.94
  6. Step 6: Final answer
    x = 742,362,865.82

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Double scale
Find fourth proportional to 851,308,269.94, 1,174,840,280.52 and 537,928,141.06
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.