Home / 1,210,496,407,884.40-1,670,492,597,535-661,788,895,108.80

Finding the Fourth Proportional to 1,210,496,407,884.40, 1,670,492,597,535 and 661,788,895,108.80

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Solution

The fourth proportional to 1,210,496,407,884.40, 1,670,492,597,535 and 661,788,895,108.80 is: 913,272,805,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,496,407,884.40 : 1,670,492,597,535 = 661,788,895,108.80 : x
  2. Step 2: Convert to fraction form
    1,210,496,407,884.40/1,670,492,597,535 = 661,788,895,108.80/x
  3. Step 3: Cross multiply
    1,210,496,407,884.40x = 1,670,492,597,535 × 661,788,895,108.80
  4. Step 4: Simplify right side
    1,210,496,407,884.40x = 1,105,513,450,410,117,083,168,768
  5. Step 5: Solve for x
    x = 1,105,513,450,410,117,083,168,768/1,210,496,407,884.40
  6. Step 6: Final answer
    x = 913,272,805,445.36

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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.