Home / 798,746,581.14-1,102,379,781.51-459,648,087.72

Finding the Fourth Proportional to 798,746,581.14, 1,102,379,781.51 and 459,648,087.72

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Solution

The fourth proportional to 798,746,581.14, 1,102,379,781.51 and 459,648,087.72 is: 634,377,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,746,581.14 : 1,102,379,781.51 = 459,648,087.72 : x
  2. Step 2: Convert to fraction form
    798,746,581.14/1,102,379,781.51 = 459,648,087.72/x
  3. Step 3: Cross multiply
    798,746,581.14x = 1,102,379,781.51 × 459,648,087.72
  4. Step 4: Simplify right side
    798,746,581.14x = 506,706,758,512,262,912
  5. Step 5: Solve for x
    x = 506,706,758,512,262,912/798,746,581.14
  6. Step 6: Final answer
    x = 634,377,373.85

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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.