Home / 786,024,631.20-1,179,036,946.80-541,136,618.40

Finding the Fourth Proportional to 786,024,631.20, 1,179,036,946.80 and 541,136,618.40

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Solution

The fourth proportional to 786,024,631.20, 1,179,036,946.80 and 541,136,618.40 is: 811,704,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,024,631.20 : 1,179,036,946.80 = 541,136,618.40 : x
  2. Step 2: Convert to fraction form
    786,024,631.20/1,179,036,946.80 = 541,136,618.40/x
  3. Step 3: Cross multiply
    786,024,631.20x = 1,179,036,946.80 × 541,136,618.40
  4. Step 4: Simplify right side
    786,024,631.20x = 638,020,066,360,012,672
  5. Step 5: Solve for x
    x = 638,020,066,360,012,672/786,024,631.20
  6. Step 6: Final answer
    x = 811,704,927.60

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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.