Home / 1,539,648,277.60-2,309,472,416.40-679,684,885.60

Finding the Fourth Proportional to 1,539,648,277.60, 2,309,472,416.40 and 679,684,885.60

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Solution

The fourth proportional to 1,539,648,277.60, 2,309,472,416.40 and 679,684,885.60 is: 1,019,527,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,277.60 : 2,309,472,416.40 = 679,684,885.60 : x
  2. Step 2: Convert to fraction form
    1,539,648,277.60/2,309,472,416.40 = 679,684,885.60/x
  3. Step 3: Cross multiply
    1,539,648,277.60x = 2,309,472,416.40 × 679,684,885.60
  4. Step 4: Simplify right side
    1,539,648,277.60x = 1,569,713,495,137,189,632
  5. Step 5: Solve for x
    x = 1,569,713,495,137,189,632/1,539,648,277.60
  6. Step 6: Final answer
    x = 1,019,527,328.40

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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.