Home / 812,597,041.38-1,121,453,075.16-460,235,715.24

Finding the Fourth Proportional to 812,597,041.38, 1,121,453,075.16 and 460,235,715.24

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Solution

The fourth proportional to 812,597,041.38, 1,121,453,075.16 and 460,235,715.24 is: 635,164,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,597,041.38 : 1,121,453,075.16 = 460,235,715.24 : x
  2. Step 2: Convert to fraction form
    812,597,041.38/1,121,453,075.16 = 460,235,715.24/x
  3. Step 3: Cross multiply
    812,597,041.38x = 1,121,453,075.16 × 460,235,715.24
  4. Step 4: Simplify right side
    812,597,041.38x = 516,132,758,154,360,128
  5. Step 5: Solve for x
    x = 516,132,758,154,360,128/812,597,041.38
  6. Step 6: Final answer
    x = 635,164,456.52

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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.