Home / 1,827,011,543.32-2,521,269,572.34-991,636,111.72

Finding the Fourth Proportional to 1,827,011,543.32, 2,521,269,572.34 and 991,636,111.72

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Solution

The fourth proportional to 1,827,011,543.32, 2,521,269,572.34 and 991,636,111.72 is: 1,368,454,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,011,543.32 : 2,521,269,572.34 = 991,636,111.72 : x
  2. Step 2: Convert to fraction form
    1,827,011,543.32/2,521,269,572.34 = 991,636,111.72/x
  3. Step 3: Cross multiply
    1,827,011,543.32x = 2,521,269,572.34 × 991,636,111.72
  4. Step 4: Simplify right side
    1,827,011,543.32x = 2,500,181,955,313,185,280
  5. Step 5: Solve for x
    x = 2,500,181,955,313,185,280/1,827,011,543.32
  6. Step 6: Final answer
    x = 1,368,454,383.58

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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.