Home / 914,755,314.16-1,262,357,897.72-518,277,525.04

Finding the Fourth Proportional to 914,755,314.16, 1,262,357,897.72 and 518,277,525.04

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Solution

The fourth proportional to 914,755,314.16, 1,262,357,897.72 and 518,277,525.04 is: 715,220,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,755,314.16 : 1,262,357,897.72 = 518,277,525.04 : x
  2. Step 2: Convert to fraction form
    914,755,314.16/1,262,357,897.72 = 518,277,525.04/x
  3. Step 3: Cross multiply
    914,755,314.16x = 1,262,357,897.72 × 518,277,525.04
  4. Step 4: Simplify right side
    914,755,314.16x = 654,251,726,945,019,136
  5. Step 5: Solve for x
    x = 654,251,726,945,019,136/914,755,314.16
  6. Step 6: Final answer
    x = 715,220,471.33

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Half scale
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Double scale
Find fourth proportional to 914,755,315.16, 1,262,357,899.10 and 518,277,526.04
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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.