Home / 883,063,927.33-1,218,573,311.45-486,564,728.38

Finding the Fourth Proportional to 883,063,927.33, 1,218,573,311.45 and 486,564,728.38

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Solution

The fourth proportional to 883,063,927.33, 1,218,573,311.45 and 486,564,728.38 is: 671,429,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,063,927.33 : 1,218,573,311.45 = 486,564,728.38 : x
  2. Step 2: Convert to fraction form
    883,063,927.33/1,218,573,311.45 = 486,564,728.38/x
  3. Step 3: Cross multiply
    883,063,927.33x = 1,218,573,311.45 × 486,564,728.38
  4. Step 4: Simplify right side
    883,063,927.33x = 592,914,792,291,307,136
  5. Step 5: Solve for x
    x = 592,914,792,291,307,136/883,063,927.33
  6. Step 6: Final answer
    x = 671,429,070.92

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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.