Home / 1,029,302,429.48-1,420,448,323.40-559,403,775.08

Finding the Fourth Proportional to 1,029,302,429.48, 1,420,448,323.40 and 559,403,775.08

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Solution

The fourth proportional to 1,029,302,429.48, 1,420,448,323.40 and 559,403,775.08 is: 771,983,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,302,429.48 : 1,420,448,323.40 = 559,403,775.08 : x
  2. Step 2: Convert to fraction form
    1,029,302,429.48/1,420,448,323.40 = 559,403,775.08/x
  3. Step 3: Cross multiply
    1,029,302,429.48x = 1,420,448,323.40 × 559,403,775.08
  4. Step 4: Simplify right side
    1,029,302,429.48x = 794,604,154,416,016,768
  5. Step 5: Solve for x
    x = 794,604,154,416,016,768/1,029,302,429.48
  6. Step 6: Final answer
    x = 771,983,171.96

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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.