Home / 1,663,495,074,507-2,295,621,461,768-931,888,630,972.15

Finding the Fourth Proportional to 1,663,495,074,507, 2,295,621,461,768 and 931,888,630,972.15

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Solution

The fourth proportional to 1,663,495,074,507, 2,295,621,461,768 and 931,888,630,972.15 is: 1,286,005,335,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,495,074,507 : 2,295,621,461,768 = 931,888,630,972.15 : x
  2. Step 2: Convert to fraction form
    1,663,495,074,507/2,295,621,461,768 = 931,888,630,972.15/x
  3. Step 3: Cross multiply
    1,663,495,074,507x = 2,295,621,461,768 × 931,888,630,972.15
  4. Step 4: Simplify right side
    1,663,495,074,507x = 2,139,263,541,237,267,380,043,776
  5. Step 5: Solve for x
    x = 2,139,263,541,237,267,380,043,776/1,663,495,074,507
  6. Step 6: Final answer
    x = 1,286,005,335,405.80

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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.