Home / 819,735,875.10-1,229,602,848.93-267,037,399.11

Finding the Fourth Proportional to 819,735,875.10, 1,229,602,848.93 and 267,037,399.11

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Solution

The fourth proportional to 819,735,875.10, 1,229,602,848.93 and 267,037,399.11 is: 400,555,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735,875.10 : 1,229,602,848.93 = 267,037,399.11 : x
  2. Step 2: Convert to fraction form
    819,735,875.10/1,229,602,848.93 = 267,037,399.11/x
  3. Step 3: Cross multiply
    819,735,875.10x = 1,229,602,848.93 × 267,037,399.11
  4. Step 4: Simplify right side
    819,735,875.10x = 328,349,946,716,513,472
  5. Step 5: Solve for x
    x = 328,349,946,716,513,472/819,735,875.10
  6. Step 6: Final answer
    x = 400,555,784.72

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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.