Home / 39,047,186,697,964-53,885,126,438,740-21,488,508,455,820

Finding the Fourth Proportional to 39,047,186,697,964, 53,885,126,438,740 and 21,488,508,455,820

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Solution

The fourth proportional to 39,047,186,697,964, 53,885,126,438,740 and 21,488,508,455,820 is: 29,654,146,509,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,047,186,697,964 : 53,885,126,438,740 = 21,488,508,455,820 : x
  2. Step 2: Convert to fraction form
    39,047,186,697,964/53,885,126,438,740 = 21,488,508,455,820/x
  3. Step 3: Cross multiply
    39,047,186,697,964x = 53,885,126,438,740 × 21,488,508,455,820
  4. Step 4: Simplify right side
    39,047,186,697,964x = 1,157,910,995,121,794,304,855,506,944
  5. Step 5: Solve for x
    x = 1,157,910,995,121,794,304,855,506,944/39,047,186,697,964
  6. Step 6: Final answer
    x = 29,654,146,509,412.16

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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.