Home / 838,444,421.19-1,157,049,804.83-462,100,110.74

Finding the Fourth Proportional to 838,444,421.19, 1,157,049,804.83 and 462,100,110.74

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Solution

The fourth proportional to 838,444,421.19, 1,157,049,804.83 and 462,100,110.74 is: 637,696,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,444,421.19 : 1,157,049,804.83 = 462,100,110.74 : x
  2. Step 2: Convert to fraction form
    838,444,421.19/1,157,049,804.83 = 462,100,110.74/x
  3. Step 3: Cross multiply
    838,444,421.19x = 1,157,049,804.83 × 462,100,110.74
  4. Step 4: Simplify right side
    838,444,421.19x = 534,672,842,943,763,200
  5. Step 5: Solve for x
    x = 534,672,842,943,763,200/838,444,421.19
  6. Step 6: Final answer
    x = 637,696,225.81

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1.5x scale

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.