Home / 1,913,234,638,033.40-2,869,854,719,108-781,310,011,357.60

Finding the Fourth Proportional to 1,913,234,638,033.40, 2,869,854,719,108 and 781,310,011,357.60

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Solution

The fourth proportional to 1,913,234,638,033.40, 2,869,854,719,108 and 781,310,011,357.60 is: 1,171,966,144,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,234,638,033.40 : 2,869,854,719,108 = 781,310,011,357.60 : x
  2. Step 2: Convert to fraction form
    1,913,234,638,033.40/2,869,854,719,108 = 781,310,011,357.60/x
  3. Step 3: Cross multiply
    1,913,234,638,033.40x = 2,869,854,719,108 × 781,310,011,357.60
  4. Step 4: Simplify right side
    1,913,234,638,033.40x = 2,242,246,223,180,933,411,897,344
  5. Step 5: Solve for x
    x = 2,242,246,223,180,933,411,897,344/1,913,234,638,033.40
  6. Step 6: Final answer
    x = 1,171,966,144,981.42

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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.