Home / 790,353,030.16-1,185,688,538.52-272,803,517.20

Finding the Fourth Proportional to 790,353,030.16, 1,185,688,538.52 and 272,803,517.20

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Solution

The fourth proportional to 790,353,030.16, 1,185,688,538.52 and 272,803,517.20 is: 409,260,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,353,030.16 : 1,185,688,538.52 = 272,803,517.20 : x
  2. Step 2: Convert to fraction form
    790,353,030.16/1,185,688,538.52 = 272,803,517.20/x
  3. Step 3: Cross multiply
    790,353,030.16x = 1,185,688,538.52 × 272,803,517.20
  4. Step 4: Simplify right side
    790,353,030.16x = 323,460,003,611,983,680
  5. Step 5: Solve for x
    x = 323,460,003,611,983,680/790,353,030.16
  6. Step 6: Final answer
    x = 409,260,154.98

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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.