Home / 7,281,252,632.40-10,921,878,948.60-4,185,384,421.20

Finding the Fourth Proportional to 7,281,252,632.40, 10,921,878,948.60 and 4,185,384,421.20

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Solution

The fourth proportional to 7,281,252,632.40, 10,921,878,948.60 and 4,185,384,421.20 is: 6,278,076,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,252,632.40 : 10,921,878,948.60 = 4,185,384,421.20 : x
  2. Step 2: Convert to fraction form
    7,281,252,632.40/10,921,878,948.60 = 4,185,384,421.20/x
  3. Step 3: Cross multiply
    7,281,252,632.40x = 10,921,878,948.60 × 4,185,384,421.20
  4. Step 4: Simplify right side
    7,281,252,632.40x = 45,712,262,001,702,674,432
  5. Step 5: Solve for x
    x = 45,712,262,001,702,674,432/7,281,252,632.40
  6. Step 6: Final answer
    x = 6,278,076,631.80

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Double scale
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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.