Home / 883,063,925.63-1,218,573,309.13-486,564,726.69

Finding the Fourth Proportional to 883,063,925.63, 1,218,573,309.13 and 486,564,726.69

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Solution

The fourth proportional to 883,063,925.63, 1,218,573,309.13 and 486,564,726.69 is: 671,429,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,063,925.63 : 1,218,573,309.13 = 486,564,726.69 : x
  2. Step 2: Convert to fraction form
    883,063,925.63/1,218,573,309.13 = 486,564,726.69/x
  3. Step 3: Cross multiply
    883,063,925.63x = 1,218,573,309.13 × 486,564,726.69
  4. Step 4: Simplify right side
    883,063,925.63x = 592,914,789,107,350,912
  5. Step 5: Solve for x
    x = 592,914,789,107,350,912/883,063,925.63
  6. Step 6: Final answer
    x = 671,429,068.61

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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.