Home / 1,398,713,357.93-1,931,095,705.34-890,363,006.18

Finding the Fourth Proportional to 1,398,713,357.93, 1,931,095,705.34 and 890,363,006.18

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Solution

The fourth proportional to 1,398,713,357.93, 1,931,095,705.34 and 890,363,006.18 is: 1,229,255,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,713,357.93 : 1,931,095,705.34 = 890,363,006.18 : x
  2. Step 2: Convert to fraction form
    1,398,713,357.93/1,931,095,705.34 = 890,363,006.18/x
  3. Step 3: Cross multiply
    1,398,713,357.93x = 1,931,095,705.34 × 890,363,006.18
  4. Step 4: Simplify right side
    1,398,713,357.93x = 1,719,376,177,427,809,792
  5. Step 5: Solve for x
    x = 1,719,376,177,427,809,792/1,398,713,357.93
  6. Step 6: Final answer
    x = 1,229,255,563.82

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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.