Home / 1,159,960,445.92-1,600,780,570.32-631,362,655.18

Finding the Fourth Proportional to 1,159,960,445.92, 1,600,780,570.32 and 631,362,655.18

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Solution

The fourth proportional to 1,159,960,445.92, 1,600,780,570.32 and 631,362,655.18 is: 871,299,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,960,445.92 : 1,600,780,570.32 = 631,362,655.18 : x
  2. Step 2: Convert to fraction form
    1,159,960,445.92/1,600,780,570.32 = 631,362,655.18/x
  3. Step 3: Cross multiply
    1,159,960,445.92x = 1,600,780,570.32 × 631,362,655.18
  4. Step 4: Simplify right side
    1,159,960,445.92x = 1,010,673,071,237,789,824
  5. Step 5: Solve for x
    x = 1,010,673,071,237,789,824/1,159,960,445.92
  6. Step 6: Final answer
    x = 871,299,598.87

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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.