Home / 1,640,846,637.95-2,461,276,267.78-397,275,030.10

Finding the Fourth Proportional to 1,640,846,637.95, 2,461,276,267.78 and 397,275,030.10

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Solution

The fourth proportional to 1,640,846,637.95, 2,461,276,267.78 and 397,275,030.10 is: 595,914,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,846,637.95 : 2,461,276,267.78 = 397,275,030.10 : x
  2. Step 2: Convert to fraction form
    1,640,846,637.95/2,461,276,267.78 = 397,275,030.10/x
  3. Step 3: Cross multiply
    1,640,846,637.95x = 2,461,276,267.78 × 397,275,030.10
  4. Step 4: Simplify right side
    1,640,846,637.95x = 977,803,603,352,422,528
  5. Step 5: Solve for x
    x = 977,803,603,352,422,528/1,640,846,637.95
  6. Step 6: Final answer
    x = 595,914,073.10

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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.