Home / 571,596,873.93-788,756,264.87-320,666,948.01

Finding the Fourth Proportional to 571,596,873.93, 788,756,264.87 and 320,666,948.01

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Solution

The fourth proportional to 571,596,873.93, 788,756,264.87 and 320,666,948.01 is: 442,493,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,596,873.93 : 788,756,264.87 = 320,666,948.01 : x
  2. Step 2: Convert to fraction form
    571,596,873.93/788,756,264.87 = 320,666,948.01/x
  3. Step 3: Cross multiply
    571,596,873.93x = 788,756,264.87 × 320,666,948.01
  4. Step 4: Simplify right side
    571,596,873.93x = 252,928,064,178,026,752
  5. Step 5: Solve for x
    x = 252,928,064,178,026,752/571,596,873.93
  6. Step 6: Final answer
    x = 442,493,784.89

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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.