Home / 1,572,168,711.39-2,357,010,491.60-784,818,276.54

Finding the Fourth Proportional to 1,572,168,711.39, 2,357,010,491.60 and 784,818,276.54

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Solution

The fourth proportional to 1,572,168,711.39, 2,357,010,491.60 and 784,818,276.54 is: 1,176,607,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,168,711.39 : 2,357,010,491.60 = 784,818,276.54 : x
  2. Step 2: Convert to fraction form
    1,572,168,711.39/2,357,010,491.60 = 784,818,276.54/x
  3. Step 3: Cross multiply
    1,572,168,711.39x = 2,357,010,491.60 × 784,818,276.54
  4. Step 4: Simplify right side
    1,572,168,711.39x = 1,849,824,911,800,285,696
  5. Step 5: Solve for x
    x = 1,849,824,911,800,285,696/1,572,168,711.39
  6. Step 6: Final answer
    x = 1,176,607,127.72

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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.