Home / 948,852,419.80-1,424,196,735-457,911,292.36

Finding the Fourth Proportional to 948,852,419.80, 1,424,196,735 and 457,911,292.36

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Solution

The fourth proportional to 948,852,419.80, 1,424,196,735 and 457,911,292.36 is: 687,310,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,852,419.80 : 1,424,196,735 = 457,911,292.36 : x
  2. Step 2: Convert to fraction form
    948,852,419.80/1,424,196,735 = 457,911,292.36/x
  3. Step 3: Cross multiply
    948,852,419.80x = 1,424,196,735 × 457,911,292.36
  4. Step 4: Simplify right side
    948,852,419.80x = 652,155,767,498,742,528
  5. Step 5: Solve for x
    x = 652,155,767,498,742,528/948,852,419.80
  6. Step 6: Final answer
    x = 687,310,011.43

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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.