Home / 772,903,009.20-1,159,354,513.80-619,848,001.20

Finding the Fourth Proportional to 772,903,009.20, 1,159,354,513.80 and 619,848,001.20

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Solution

The fourth proportional to 772,903,009.20, 1,159,354,513.80 and 619,848,001.20 is: 929,772,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,903,009.20 : 1,159,354,513.80 = 619,848,001.20 : x
  2. Step 2: Convert to fraction form
    772,903,009.20/1,159,354,513.80 = 619,848,001.20/x
  3. Step 3: Cross multiply
    772,903,009.20x = 1,159,354,513.80 × 619,848,001.20
  4. Step 4: Simplify right side
    772,903,009.20x = 718,623,578,061,127,808
  5. Step 5: Solve for x
    x = 718,623,578,061,127,808/772,903,009.20
  6. Step 6: Final answer
    x = 929,772,001.80

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1.5x scale

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.