Home / 1,177,598,733.66-1,625,038,939.01-641,739,019.70

Finding the Fourth Proportional to 1,177,598,733.66, 1,625,038,939.01 and 641,739,019.70

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Solution

The fourth proportional to 1,177,598,733.66, 1,625,038,939.01 and 641,739,019.70 is: 885,574,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,598,733.66 : 1,625,038,939.01 = 641,739,019.70 : x
  2. Step 2: Convert to fraction form
    1,177,598,733.66/1,625,038,939.01 = 641,739,019.70/x
  3. Step 3: Cross multiply
    1,177,598,733.66x = 1,625,038,939.01 × 641,739,019.70
  4. Step 4: Simplify right side
    1,177,598,733.66x = 1,042,850,895,683,271,808
  5. Step 5: Solve for x
    x = 1,042,850,895,683,271,808/1,177,598,733.66
  6. Step 6: Final answer
    x = 885,574,063.45

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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.