Home / 1,700,680,007.20-2,551,020,010.80-1,289,510,010.40

Finding the Fourth Proportional to 1,700,680,007.20, 2,551,020,010.80 and 1,289,510,010.40

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Solution

The fourth proportional to 1,700,680,007.20, 2,551,020,010.80 and 1,289,510,010.40 is: 1,934,265,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,680,007.20 : 2,551,020,010.80 = 1,289,510,010.40 : x
  2. Step 2: Convert to fraction form
    1,700,680,007.20/2,551,020,010.80 = 1,289,510,010.40/x
  3. Step 3: Cross multiply
    1,700,680,007.20x = 2,551,020,010.80 × 1,289,510,010.40
  4. Step 4: Simplify right side
    1,700,680,007.20x = 3,289,565,840,657,316,352
  5. Step 5: Solve for x
    x = 3,289,565,840,657,316,352/1,700,680,007.20
  6. Step 6: Final answer
    x = 1,934,265,015.60

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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.