Home / 1,190,292,903.48-1,785,406,350.42-316,901,764.92

Finding the Fourth Proportional to 1,190,292,903.48, 1,785,406,350.42 and 316,901,764.92

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Solution

The fourth proportional to 1,190,292,903.48, 1,785,406,350.42 and 316,901,764.92 is: 475,343,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,292,903.48 : 1,785,406,350.42 = 316,901,764.92 : x
  2. Step 2: Convert to fraction form
    1,190,292,903.48/1,785,406,350.42 = 316,901,764.92/x
  3. Step 3: Cross multiply
    1,190,292,903.48x = 1,785,406,350.42 × 316,901,764.92
  4. Step 4: Simplify right side
    1,190,292,903.48x = 565,798,423,547,474,048
  5. Step 5: Solve for x
    x = 565,798,423,547,474,048/1,190,292,903.48
  6. Step 6: Final answer
    x = 475,343,860.23

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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.