Home / 1,533,169,808.20-2,299,754,712.30-842,810,307.40

Finding the Fourth Proportional to 1,533,169,808.20, 2,299,754,712.30 and 842,810,307.40

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Solution

The fourth proportional to 1,533,169,808.20, 2,299,754,712.30 and 842,810,307.40 is: 1,264,215,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,169,808.20 : 2,299,754,712.30 = 842,810,307.40 : x
  2. Step 2: Convert to fraction form
    1,533,169,808.20/2,299,754,712.30 = 842,810,307.40/x
  3. Step 3: Cross multiply
    1,533,169,808.20x = 2,299,754,712.30 × 842,810,307.40
  4. Step 4: Simplify right side
    1,533,169,808.20x = 1,938,256,976,018,161,664
  5. Step 5: Solve for x
    x = 1,938,256,976,018,161,664/1,533,169,808.20
  6. Step 6: Final answer
    x = 1,264,215,461.10

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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.