Home / 830,200,154.32-1,145,689,831.61-495,701,903.89

Finding the Fourth Proportional to 830,200,154.32, 1,145,689,831.61 and 495,701,903.89

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Solution

The fourth proportional to 830,200,154.32, 1,145,689,831.61 and 495,701,903.89 is: 684,076,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,200,154.32 : 1,145,689,831.61 = 495,701,903.89 : x
  2. Step 2: Convert to fraction form
    830,200,154.32/1,145,689,831.61 = 495,701,903.89/x
  3. Step 3: Cross multiply
    830,200,154.32x = 1,145,689,831.61 × 495,701,903.89
  4. Step 4: Simplify right side
    830,200,154.32x = 567,920,630,796,490,432
  5. Step 5: Solve for x
    x = 567,920,630,796,490,432/830,200,154.32
  6. Step 6: Final answer
    x = 684,076,758.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.