Home / 1,398,713,356.93-1,931,095,703.96-890,363,005.18

Finding the Fourth Proportional to 1,398,713,356.93, 1,931,095,703.96 and 890,363,005.18

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Solution

The fourth proportional to 1,398,713,356.93, 1,931,095,703.96 and 890,363,005.18 is: 1,229,255,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,713,356.93 : 1,931,095,703.96 = 890,363,005.18 : x
  2. Step 2: Convert to fraction form
    1,398,713,356.93/1,931,095,703.96 = 890,363,005.18/x
  3. Step 3: Cross multiply
    1,398,713,356.93x = 1,931,095,703.96 × 890,363,005.18
  4. Step 4: Simplify right side
    1,398,713,356.93x = 1,719,376,174,268,013,056
  5. Step 5: Solve for x
    x = 1,719,376,174,268,013,056/1,398,713,356.93
  6. Step 6: Final answer
    x = 1,229,255,562.44

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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.