Home / 867,323,356.02-1,300,985,001.23-253,907,581.77

Finding the Fourth Proportional to 867,323,356.02, 1,300,985,001.23 and 253,907,581.77

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Solution

The fourth proportional to 867,323,356.02, 1,300,985,001.23 and 253,907,581.77 is: 380,861,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,323,356.02 : 1,300,985,001.23 = 253,907,581.77 : x
  2. Step 2: Convert to fraction form
    867,323,356.02/1,300,985,001.23 = 253,907,581.77/x
  3. Step 3: Cross multiply
    867,323,356.02x = 1,300,985,001.23 × 253,907,581.77
  4. Step 4: Simplify right side
    867,323,356.02x = 330,329,955,580,080,256
  5. Step 5: Solve for x
    x = 330,329,955,580,080,256/867,323,356.02
  6. Step 6: Final answer
    x = 380,861,363.05

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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.