Home / 1,454,933,638.61-2,007,809,226.90-785,878,680.45

Finding the Fourth Proportional to 1,454,933,638.61, 2,007,809,226.90 and 785,878,680.45

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Solution

The fourth proportional to 1,454,933,638.61, 2,007,809,226.90 and 785,878,680.45 is: 1,084,513,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,933,638.61 : 2,007,809,226.90 = 785,878,680.45 : x
  2. Step 2: Convert to fraction form
    1,454,933,638.61/2,007,809,226.90 = 785,878,680.45/x
  3. Step 3: Cross multiply
    1,454,933,638.61x = 2,007,809,226.90 × 785,878,680.45
  4. Step 4: Simplify right side
    1,454,933,638.61x = 1,577,894,465,831,506,688
  5. Step 5: Solve for x
    x = 1,577,894,465,831,506,688/1,454,933,638.61
  6. Step 6: Final answer
    x = 1,084,513,014.17

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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.