Home / 28,401,904,360.70-42,602,856,541.05-12,892,330,216.70

Finding the Fourth Proportional to 28,401,904,360.70, 42,602,856,541.05 and 12,892,330,216.70

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Solution

The fourth proportional to 28,401,904,360.70, 42,602,856,541.05 and 12,892,330,216.70 is: 19,338,495,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401,904,360.70 : 42,602,856,541.05 = 12,892,330,216.70 : x
  2. Step 2: Convert to fraction form
    28,401,904,360.70/42,602,856,541.05 = 12,892,330,216.70/x
  3. Step 3: Cross multiply
    28,401,904,360.70x = 42,602,856,541.05 × 12,892,330,216.70
  4. Step 4: Simplify right side
    28,401,904,360.70x = 549,250,094,701,914,226,688
  5. Step 5: Solve for x
    x = 549,250,094,701,914,226,688/28,401,904,360.70
  6. Step 6: Final answer
    x = 19,338,495,325.05

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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.