Home / 39,411,094,501.36-54,386,877,430.16-21,346,161,284.08

Finding the Fourth Proportional to 39,411,094,501.36, 54,386,877,430.16 and 21,346,161,284.08

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Solution

The fourth proportional to 39,411,094,501.36, 54,386,877,430.16 and 21,346,161,284.08 is: 29,457,468,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411,094,501.36 : 54,386,877,430.16 = 21,346,161,284.08 : x
  2. Step 2: Convert to fraction form
    39,411,094,501.36/54,386,877,430.16 = 21,346,161,284.08/x
  3. Step 3: Cross multiply
    39,411,094,501.36x = 54,386,877,430.16 × 21,346,161,284.08
  4. Step 4: Simplify right side
    39,411,094,501.36x = 1,160,951,057,361,685,970,944
  5. Step 5: Solve for x
    x = 1,160,951,057,361,685,970,944/39,411,094,501.36
  6. Step 6: Final answer
    x = 29,457,468,056.91

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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.