Home / 1,119,747,133.60-1,679,620,700.40-684,390,666.40

Finding the Fourth Proportional to 1,119,747,133.60, 1,679,620,700.40 and 684,390,666.40

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Solution

The fourth proportional to 1,119,747,133.60, 1,679,620,700.40 and 684,390,666.40 is: 1,026,585,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,747,133.60 : 1,679,620,700.40 = 684,390,666.40 : x
  2. Step 2: Convert to fraction form
    1,119,747,133.60/1,679,620,700.40 = 684,390,666.40/x
  3. Step 3: Cross multiply
    1,119,747,133.60x = 1,679,620,700.40 × 684,390,666.40
  4. Step 4: Simplify right side
    1,119,747,133.60x = 1,149,516,730,445,990,784
  5. Step 5: Solve for x
    x = 1,149,516,730,445,990,784/1,119,747,133.60
  6. Step 6: Final answer
    x = 1,026,585,999.60

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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.