Home / 890,624,280.80-1,335,936,421.20-526,931,429.60

Finding the Fourth Proportional to 890,624,280.80, 1,335,936,421.20 and 526,931,429.60

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Solution

The fourth proportional to 890,624,280.80, 1,335,936,421.20 and 526,931,429.60 is: 790,397,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,624,280.80 : 1,335,936,421.20 = 526,931,429.60 : x
  2. Step 2: Convert to fraction form
    890,624,280.80/1,335,936,421.20 = 526,931,429.60/x
  3. Step 3: Cross multiply
    890,624,280.80x = 1,335,936,421.20 × 526,931,429.60
  4. Step 4: Simplify right side
    890,624,280.80x = 703,946,888,277,623,808
  5. Step 5: Solve for x
    x = 703,946,888,277,623,808/890,624,280.80
  6. Step 6: Final answer
    x = 790,397,144.40

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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.