Home / 1,209,506,907,621.60-1,669,120,202,196.60-653,312,031,989.92

Finding the Fourth Proportional to 1,209,506,907,621.60, 1,669,120,202,196.60 and 653,312,031,989.92

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Solution

The fourth proportional to 1,209,506,907,621.60, 1,669,120,202,196.60 and 653,312,031,989.92 is: 901,570,965,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,506,907,621.60 : 1,669,120,202,196.60 = 653,312,031,989.92 : x
  2. Step 2: Convert to fraction form
    1,209,506,907,621.60/1,669,120,202,196.60 = 653,312,031,989.92/x
  3. Step 3: Cross multiply
    1,209,506,907,621.60x = 1,669,120,202,196.60 × 653,312,031,989.92
  4. Step 4: Simplify right side
    1,209,506,907,621.60x = 1,090,456,310,932,487,064,780,800
  5. Step 5: Solve for x
    x = 1,090,456,310,932,487,064,780,800/1,209,506,907,621.60
  6. Step 6: Final answer
    x = 901,570,965,871.36

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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.