Home / 1,121,077,359.18-1,547,056,769.76-619,275,343.26

Finding the Fourth Proportional to 1,121,077,359.18, 1,547,056,769.76 and 619,275,343.26

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Solution

The fourth proportional to 1,121,077,359.18, 1,547,056,769.76 and 619,275,343.26 is: 854,583,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,077,359.18 : 1,547,056,769.76 = 619,275,343.26 : x
  2. Step 2: Convert to fraction form
    1,121,077,359.18/1,547,056,769.76 = 619,275,343.26/x
  3. Step 3: Cross multiply
    1,121,077,359.18x = 1,547,056,769.76 × 619,275,343.26
  4. Step 4: Simplify right side
    1,121,077,359.18x = 958,054,112,135,830,784
  5. Step 5: Solve for x
    x = 958,054,112,135,830,784/1,121,077,359.18
  6. Step 6: Final answer
    x = 854,583,409.69

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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.