Home / 1,488,372,821.04-2,053,980,609.90-810,209,269.08

Finding the Fourth Proportional to 1,488,372,821.04, 2,053,980,609.90 and 810,209,269.08

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Solution

The fourth proportional to 1,488,372,821.04, 2,053,980,609.90 and 810,209,269.08 is: 1,118,103,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,372,821.04 : 2,053,980,609.90 = 810,209,269.08 : x
  2. Step 2: Convert to fraction form
    1,488,372,821.04/2,053,980,609.90 = 810,209,269.08/x
  3. Step 3: Cross multiply
    1,488,372,821.04x = 2,053,980,609.90 × 810,209,269.08
  4. Step 4: Simplify right side
    1,488,372,821.04x = 1,664,154,128,651,571,712
  5. Step 5: Solve for x
    x = 1,664,154,128,651,571,712/1,488,372,821.04
  6. Step 6: Final answer
    x = 1,118,103,008.28

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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.