Home / 1,490,402,299.41-2,056,706,931.42-855,427,308.84

Finding the Fourth Proportional to 1,490,402,299.41, 2,056,706,931.42 and 855,427,308.84

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Solution

The fourth proportional to 1,490,402,299.41, 2,056,706,931.42 and 855,427,308.84 is: 1,180,461,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,402,299.41 : 2,056,706,931.42 = 855,427,308.84 : x
  2. Step 2: Convert to fraction form
    1,490,402,299.41/2,056,706,931.42 = 855,427,308.84/x
  3. Step 3: Cross multiply
    1,490,402,299.41x = 2,056,706,931.42 × 855,427,308.84
  4. Step 4: Simplify right side
    1,490,402,299.41x = 1,759,363,275,417,185,280
  5. Step 5: Solve for x
    x = 1,759,363,275,417,185,280/1,490,402,299.41
  6. Step 6: Final answer
    x = 1,180,461,997.48

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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.