Home / 2,405,417,388,916.80-3,319,538,909,158.10-1,308,064,178,756

Finding the Fourth Proportional to 2,405,417,388,916.80, 3,319,538,909,158.10 and 1,308,064,178,756

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Solution

The fourth proportional to 2,405,417,388,916.80, 3,319,538,909,158.10 and 1,308,064,178,756 is: 1,805,162,778,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,417,388,916.80 : 3,319,538,909,158.10 = 1,308,064,178,756 : x
  2. Step 2: Convert to fraction form
    2,405,417,388,916.80/3,319,538,909,158.10 = 1,308,064,178,756/x
  3. Step 3: Cross multiply
    2,405,417,388,916.80x = 3,319,538,909,158.10 × 1,308,064,178,756
  4. Step 4: Simplify right side
    2,405,417,388,916.80x = 4,342,169,937,056,478,126,931,968
  5. Step 5: Solve for x
    x = 4,342,169,937,056,478,126,931,968/2,405,417,388,916.80
  6. Step 6: Final answer
    x = 1,805,162,778,428.17

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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.