Home / 15,120,432,421.80-22,680,648,632.70-9,896,154,815.40

Finding the Fourth Proportional to 15,120,432,421.80, 22,680,648,632.70 and 9,896,154,815.40

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Solution

The fourth proportional to 15,120,432,421.80, 22,680,648,632.70 and 9,896,154,815.40 is: 14,844,232,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,432,421.80 : 22,680,648,632.70 = 9,896,154,815.40 : x
  2. Step 2: Convert to fraction form
    15,120,432,421.80/22,680,648,632.70 = 9,896,154,815.40/x
  3. Step 3: Cross multiply
    15,120,432,421.80x = 22,680,648,632.70 × 9,896,154,815.40
  4. Step 4: Simplify right side
    15,120,432,421.80x = 224,451,210,182,889,537,536
  5. Step 5: Solve for x
    x = 224,451,210,182,889,537,536/15,120,432,421.80
  6. Step 6: Final answer
    x = 14,844,232,223.10

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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.