Home / 1,645,299,012.02-2,270,554,417.42-902,742,877.94

Finding the Fourth Proportional to 1,645,299,012.02, 2,270,554,417.42 and 902,742,877.94

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Solution

The fourth proportional to 1,645,299,012.02, 2,270,554,417.42 and 902,742,877.94 is: 1,245,808,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,299,012.02 : 2,270,554,417.42 = 902,742,877.94 : x
  2. Step 2: Convert to fraction form
    1,645,299,012.02/2,270,554,417.42 = 902,742,877.94/x
  3. Step 3: Cross multiply
    1,645,299,012.02x = 2,270,554,417.42 × 902,742,877.94
  4. Step 4: Simplify right side
    1,645,299,012.02x = 2,049,726,829,287,501,056
  5. Step 5: Solve for x
    x = 2,049,726,829,287,501,056/1,645,299,012.02
  6. Step 6: Final answer
    x = 1,245,808,095.87

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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.