Home / 994,778,751.40-1,492,168,127.10-313,974,399.40

Finding the Fourth Proportional to 994,778,751.40, 1,492,168,127.10 and 313,974,399.40

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Solution

The fourth proportional to 994,778,751.40, 1,492,168,127.10 and 313,974,399.40 is: 470,961,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,778,751.40 : 1,492,168,127.10 = 313,974,399.40 : x
  2. Step 2: Convert to fraction form
    994,778,751.40/1,492,168,127.10 = 313,974,399.40/x
  3. Step 3: Cross multiply
    994,778,751.40x = 1,492,168,127.10 × 313,974,399.40
  4. Step 4: Simplify right side
    994,778,751.40x = 468,502,591,510,045,312
  5. Step 5: Solve for x
    x = 468,502,591,510,045,312/994,778,751.40
  6. Step 6: Final answer
    x = 470,961,599.10

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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.