Home / 8,640,865,547.40-12,961,298,321.10-8,503,116,040.20

Finding the Fourth Proportional to 8,640,865,547.40, 12,961,298,321.10 and 8,503,116,040.20

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Solution

The fourth proportional to 8,640,865,547.40, 12,961,298,321.10 and 8,503,116,040.20 is: 12,754,674,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,865,547.40 : 12,961,298,321.10 = 8,503,116,040.20 : x
  2. Step 2: Convert to fraction form
    8,640,865,547.40/12,961,298,321.10 = 8,503,116,040.20/x
  3. Step 3: Cross multiply
    8,640,865,547.40x = 12,961,298,321.10 × 8,503,116,040.20
  4. Step 4: Simplify right side
    8,640,865,547.40x = 110,211,423,655,962,738,688
  5. Step 5: Solve for x
    x = 110,211,423,655,962,738,688/8,640,865,547.40
  6. Step 6: Final answer
    x = 12,754,674,060.30

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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.