Home / 883,317,047.20-1,218,927,782.28-486,838,835.44

Finding the Fourth Proportional to 883,317,047.20, 1,218,927,782.28 and 486,838,835.44

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Solution

The fourth proportional to 883,317,047.20, 1,218,927,782.28 and 486,838,835.44 is: 671,810,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,317,047.20 : 1,218,927,782.28 = 486,838,835.44 : x
  2. Step 2: Convert to fraction form
    883,317,047.20/1,218,927,782.28 = 486,838,835.44/x
  3. Step 3: Cross multiply
    883,317,047.20x = 1,218,927,782.28 × 486,838,835.44
  4. Step 4: Simplify right side
    883,317,047.20x = 593,421,382,010,657,024
  5. Step 5: Solve for x
    x = 593,421,382,010,657,024/883,317,047.20
  6. Step 6: Final answer
    x = 671,810,177.21

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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.