Home / 38,837,190,041.90-53,595,463,503.06-21,015,847,547.90

Finding the Fourth Proportional to 38,837,190,041.90, 53,595,463,503.06 and 21,015,847,547.90

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Solution

The fourth proportional to 38,837,190,041.90, 53,595,463,503.06 and 21,015,847,547.90 is: 29,001,946,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,837,190,041.90 : 53,595,463,503.06 = 21,015,847,547.90 : x
  2. Step 2: Convert to fraction form
    38,837,190,041.90/53,595,463,503.06 = 21,015,847,547.90/x
  3. Step 3: Cross multiply
    38,837,190,041.90x = 53,595,463,503.06 × 21,015,847,547.90
  4. Step 4: Simplify right side
    38,837,190,041.90x = 1,126,354,090,239,347,523,584
  5. Step 5: Solve for x
    x = 1,126,354,090,239,347,523,584/38,837,190,041.90
  6. Step 6: Final answer
    x = 29,001,946,047.70

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Double scale
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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.