Home / 340,870,655.72-470,401,706.28-190,163,312.02

Finding the Fourth Proportional to 340,870,655.72, 470,401,706.28 and 190,163,312.02

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Solution

The fourth proportional to 340,870,655.72, 470,401,706.28 and 190,163,312.02 is: 262,425,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,870,655.72 : 470,401,706.28 = 190,163,312.02 : x
  2. Step 2: Convert to fraction form
    340,870,655.72/470,401,706.28 = 190,163,312.02/x
  3. Step 3: Cross multiply
    340,870,655.72x = 470,401,706.28 × 190,163,312.02
  4. Step 4: Simplify right side
    340,870,655.72x = 89,453,146,446,064,032
  5. Step 5: Solve for x
    x = 89,453,146,446,064,032/340,870,655.72
  6. Step 6: Final answer
    x = 262,425,482.94

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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.