Home / 833,154,342.80-1,249,731,514.20-698,113,216.40

Finding the Fourth Proportional to 833,154,342.80, 1,249,731,514.20 and 698,113,216.40

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Solution

The fourth proportional to 833,154,342.80, 1,249,731,514.20 and 698,113,216.40 is: 1,047,169,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,154,342.80 : 1,249,731,514.20 = 698,113,216.40 : x
  2. Step 2: Convert to fraction form
    833,154,342.80/1,249,731,514.20 = 698,113,216.40/x
  3. Step 3: Cross multiply
    833,154,342.80x = 1,249,731,514.20 × 698,113,216.40
  4. Step 4: Simplify right side
    833,154,342.80x = 872,454,087,014,604,288
  5. Step 5: Solve for x
    x = 872,454,087,014,604,288/833,154,342.80
  6. Step 6: Final answer
    x = 1,047,169,824.60

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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.