Home / 891,121,903.36-1,336,681,017.60-502,768,440.16

Finding the Fourth Proportional to 891,121,903.36, 1,336,681,017.60 and 502,768,440.16

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Solution

The fourth proportional to 891,121,903.36, 1,336,681,017.60 and 502,768,440.16 is: 754,151,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,121,903.36 : 1,336,681,017.60 = 502,768,440.16 : x
  2. Step 2: Convert to fraction form
    891,121,903.36/1,336,681,017.60 = 502,768,440.16/x
  3. Step 3: Cross multiply
    891,121,903.36x = 1,336,681,017.60 × 502,768,440.16
  4. Step 4: Simplify right side
    891,121,903.36x = 672,041,030,210,233,472
  5. Step 5: Solve for x
    x = 672,041,030,210,233,472/891,121,903.36
  6. Step 6: Final answer
    x = 754,151,623.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.