Home / 1,913,234,638,361-2,869,854,719,599.40-781,310,011,685.40

Finding the Fourth Proportional to 1,913,234,638,361, 2,869,854,719,599.40 and 781,310,011,685.40

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Solution

The fourth proportional to 1,913,234,638,361, 2,869,854,719,599.40 and 781,310,011,685.40 is: 1,171,966,145,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,234,638,361 : 2,869,854,719,599.40 = 781,310,011,685.40 : x
  2. Step 2: Convert to fraction form
    1,913,234,638,361/2,869,854,719,599.40 = 781,310,011,685.40/x
  3. Step 3: Cross multiply
    1,913,234,638,361x = 2,869,854,719,599.40 × 781,310,011,685.40
  4. Step 4: Simplify right side
    1,913,234,638,361x = 2,242,246,224,505,607,626,424,320
  5. Step 5: Solve for x
    x = 2,242,246,224,505,607,626,424,320/1,913,234,638,361
  6. Step 6: Final answer
    x = 1,171,966,145,473.12

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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.