Home / 1,485,746,155.16-2,050,306,708.82-816,676,883.40

Finding the Fourth Proportional to 1,485,746,155.16, 2,050,306,708.82 and 816,676,883.40

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Solution

The fourth proportional to 1,485,746,155.16, 2,050,306,708.82 and 816,676,883.40 is: 1,127,001,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,746,155.16 : 2,050,306,708.82 = 816,676,883.40 : x
  2. Step 2: Convert to fraction form
    1,485,746,155.16/2,050,306,708.82 = 816,676,883.40/x
  3. Step 3: Cross multiply
    1,485,746,155.16x = 2,050,306,708.82 × 816,676,883.40
  4. Step 4: Simplify right side
    1,485,746,155.16x = 1,674,438,092,973,228,800
  5. Step 5: Solve for x
    x = 1,674,438,092,973,228,800/1,485,746,155.16
  6. Step 6: Final answer
    x = 1,127,001,464.66

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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.