Home / 713,359,807.20-1,070,039,710.80-604,520,690.40

Finding the Fourth Proportional to 713,359,807.20, 1,070,039,710.80 and 604,520,690.40

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Solution

The fourth proportional to 713,359,807.20, 1,070,039,710.80 and 604,520,690.40 is: 906,781,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,359,807.20 : 1,070,039,710.80 = 604,520,690.40 : x
  2. Step 2: Convert to fraction form
    713,359,807.20/1,070,039,710.80 = 604,520,690.40/x
  3. Step 3: Cross multiply
    713,359,807.20x = 1,070,039,710.80 × 604,520,690.40
  4. Step 4: Simplify right side
    713,359,807.20x = 646,861,144,728,232,320
  5. Step 5: Solve for x
    x = 646,861,144,728,232,320/713,359,807.20
  6. Step 6: Final answer
    x = 906,781,035.60

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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.