Home / 3,117,459,848.63-4,302,060,318.38-1,688,495,407.72

Finding the Fourth Proportional to 3,117,459,848.63, 4,302,060,318.38 and 1,688,495,407.72

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Solution

The fourth proportional to 3,117,459,848.63, 4,302,060,318.38 and 1,688,495,407.72 is: 2,330,105,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,459,848.63 : 4,302,060,318.38 = 1,688,495,407.72 : x
  2. Step 2: Convert to fraction form
    3,117,459,848.63/4,302,060,318.38 = 1,688,495,407.72/x
  3. Step 3: Cross multiply
    3,117,459,848.63x = 4,302,060,318.38 × 1,688,495,407.72
  4. Step 4: Simplify right side
    3,117,459,848.63x = 7,264,009,091,312,536,576
  5. Step 5: Solve for x
    x = 7,264,009,091,312,536,576/3,117,459,848.63
  6. Step 6: Final answer
    x = 2,330,105,099.67

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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.