Home / 10,428,403,826.87-14,391,470,030.12-5,670,957,945.21

Finding the Fourth Proportional to 10,428,403,826.87, 14,391,470,030.12 and 5,670,957,945.21

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Solution

The fourth proportional to 10,428,403,826.87, 14,391,470,030.12 and 5,670,957,945.21 is: 7,826,070,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,403,826.87 : 14,391,470,030.12 = 5,670,957,945.21 : x
  2. Step 2: Convert to fraction form
    10,428,403,826.87/14,391,470,030.12 = 5,670,957,945.21/x
  3. Step 3: Cross multiply
    10,428,403,826.87x = 14,391,470,030.12 × 5,670,957,945.21
  4. Step 4: Simplify right side
    10,428,403,826.87x = 81,613,421,310,560,616,448
  5. Step 5: Solve for x
    x = 81,613,421,310,560,616,448/10,428,403,826.87
  6. Step 6: Final answer
    x = 7,826,070,285.11

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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.