Home / 769,824,492.60-1,154,736,738.90-310,092,598.20

Finding the Fourth Proportional to 769,824,492.60, 1,154,736,738.90 and 310,092,598.20

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Solution

The fourth proportional to 769,824,492.60, 1,154,736,738.90 and 310,092,598.20 is: 465,138,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,492.60 : 1,154,736,738.90 = 310,092,598.20 : x
  2. Step 2: Convert to fraction form
    769,824,492.60/1,154,736,738.90 = 310,092,598.20/x
  3. Step 3: Cross multiply
    769,824,492.60x = 1,154,736,738.90 × 310,092,598.20
  4. Step 4: Simplify right side
    769,824,492.60x = 358,075,315,602,496,000
  5. Step 5: Solve for x
    x = 358,075,315,602,496,000/769,824,492.60
  6. Step 6: Final answer
    x = 465,138,897.30

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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.