Home / 838,583,426.45-1,157,296,904.97-462,239,166.65

Finding the Fourth Proportional to 838,583,426.45, 1,157,296,904.97 and 462,239,166.65

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Solution

The fourth proportional to 838,583,426.45, 1,157,296,904.97 and 462,239,166.65 is: 637,918,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,583,426.45 : 1,157,296,904.97 = 462,239,166.65 : x
  2. Step 2: Convert to fraction form
    838,583,426.45/1,157,296,904.97 = 462,239,166.65/x
  3. Step 3: Cross multiply
    838,583,426.45x = 1,157,296,904.97 × 462,239,166.65
  4. Step 4: Simplify right side
    838,583,426.45x = 534,947,956,911,859,328
  5. Step 5: Solve for x
    x = 534,947,956,911,859,328/838,583,426.45
  6. Step 6: Final answer
    x = 637,918,589.90

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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.