Home / 916,416,648.80-1,373,113,318.80-780,367,752.80

Finding the Fourth Proportional to 916,416,648.80, 1,373,113,318.80 and 780,367,752.80

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Solution

The fourth proportional to 916,416,648.80, 1,373,113,318.80 and 780,367,752.80 is: 1,169,264,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,416,648.80 : 1,373,113,318.80 = 780,367,752.80 : x
  2. Step 2: Convert to fraction form
    916,416,648.80/1,373,113,318.80 = 780,367,752.80/x
  3. Step 3: Cross multiply
    916,416,648.80x = 1,373,113,318.80 × 780,367,752.80
  4. Step 4: Simplify right side
    916,416,648.80x = 1,071,533,354,931,705,856
  5. Step 5: Solve for x
    x = 1,071,533,354,931,705,856/916,416,648.80
  6. Step 6: Final answer
    x = 1,169,264,391.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.