Home / 1,809,671,010.40-2,714,506,515.60-646,452,949.60

Finding the Fourth Proportional to 1,809,671,010.40, 2,714,506,515.60 and 646,452,949.60

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Solution

The fourth proportional to 1,809,671,010.40, 2,714,506,515.60 and 646,452,949.60 is: 969,679,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,671,010.40 : 2,714,506,515.60 = 646,452,949.60 : x
  2. Step 2: Convert to fraction form
    1,809,671,010.40/2,714,506,515.60 = 646,452,949.60/x
  3. Step 3: Cross multiply
    1,809,671,010.40x = 2,714,506,515.60 × 646,452,949.60
  4. Step 4: Simplify right side
    1,809,671,010.40x = 1,754,800,743,718,038,528
  5. Step 5: Solve for x
    x = 1,754,800,743,718,038,528/1,809,671,010.40
  6. Step 6: Final answer
    x = 969,679,424.40

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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.