Home / 6,643,309,017.60-9,964,963,526.40-3,881,516,428.80

Finding the Fourth Proportional to 6,643,309,017.60, 9,964,963,526.40 and 3,881,516,428.80

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Solution

The fourth proportional to 6,643,309,017.60, 9,964,963,526.40 and 3,881,516,428.80 is: 5,822,274,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,309,017.60 : 9,964,963,526.40 = 3,881,516,428.80 : x
  2. Step 2: Convert to fraction form
    6,643,309,017.60/9,964,963,526.40 = 3,881,516,428.80/x
  3. Step 3: Cross multiply
    6,643,309,017.60x = 9,964,963,526.40 × 3,881,516,428.80
  4. Step 4: Simplify right side
    6,643,309,017.60x = 38,679,169,640,114,380,800
  5. Step 5: Solve for x
    x = 38,679,169,640,114,380,800/6,643,309,017.60
  6. Step 6: Final answer
    x = 5,822,274,643.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.