Home / 938,210,772.24-1,294,706,214.88-514,823,132.74

Finding the Fourth Proportional to 938,210,772.24, 1,294,706,214.88 and 514,823,132.74

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Solution

The fourth proportional to 938,210,772.24, 1,294,706,214.88 and 514,823,132.74 is: 710,442,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,210,772.24 : 1,294,706,214.88 = 514,823,132.74 : x
  2. Step 2: Convert to fraction form
    938,210,772.24/1,294,706,214.88 = 514,823,132.74/x
  3. Step 3: Cross multiply
    938,210,772.24x = 1,294,706,214.88 × 514,823,132.74
  4. Step 4: Simplify right side
    938,210,772.24x = 666,544,709,519,895,040
  5. Step 5: Solve for x
    x = 666,544,709,519,895,040/938,210,772.24
  6. Step 6: Final answer
    x = 710,442,396.58

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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.