Home / 1,572,168,711.64-2,357,010,491.97-784,818,276.79

Finding the Fourth Proportional to 1,572,168,711.64, 2,357,010,491.97 and 784,818,276.79

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Solution

The fourth proportional to 1,572,168,711.64, 2,357,010,491.97 and 784,818,276.79 is: 1,176,607,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,168,711.64 : 2,357,010,491.97 = 784,818,276.79 : x
  2. Step 2: Convert to fraction form
    1,572,168,711.64/2,357,010,491.97 = 784,818,276.79/x
  3. Step 3: Cross multiply
    1,572,168,711.64x = 2,357,010,491.97 × 784,818,276.79
  4. Step 4: Simplify right side
    1,572,168,711.64x = 1,849,824,912,683,845,376
  5. Step 5: Solve for x
    x = 1,849,824,912,683,845,376/1,572,168,711.64
  6. Step 6: Final answer
    x = 1,176,607,128.10

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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.