Home / 5,643,386,938.38-7,780,644,501.63-4,622,350,927.80

Finding the Fourth Proportional to 5,643,386,938.38, 7,780,644,501.63 and 4,622,350,927.80

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Solution

The fourth proportional to 5,643,386,938.38, 7,780,644,501.63 and 4,622,350,927.80 is: 6,372,922,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,386,938.38 : 7,780,644,501.63 = 4,622,350,927.80 : x
  2. Step 2: Convert to fraction form
    5,643,386,938.38/7,780,644,501.63 = 4,622,350,927.80/x
  3. Step 3: Cross multiply
    5,643,386,938.38x = 7,780,644,501.63 × 4,622,350,927.80
  4. Step 4: Simplify right side
    5,643,386,938.38x = 35,964,869,330,991,403,008
  5. Step 5: Solve for x
    x = 35,964,869,330,991,403,008/5,643,386,938.38
  6. Step 6: Final answer
    x = 6,372,922,807.47

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Double scale
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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.