Home / 973,036,743.68-1,342,812,387.84-555,340,648.16

Finding the Fourth Proportional to 973,036,743.68, 1,342,812,387.84 and 555,340,648.16

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Solution

The fourth proportional to 973,036,743.68, 1,342,812,387.84 and 555,340,648.16 is: 766,382,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,036,743.68 : 1,342,812,387.84 = 555,340,648.16 : x
  2. Step 2: Convert to fraction form
    973,036,743.68/1,342,812,387.84 = 555,340,648.16/x
  3. Step 3: Cross multiply
    973,036,743.68x = 1,342,812,387.84 × 555,340,648.16
  4. Step 4: Simplify right side
    973,036,743.68x = 745,718,301,820,342,784
  5. Step 5: Solve for x
    x = 745,718,301,820,342,784/973,036,743.68
  6. Step 6: Final answer
    x = 766,382,468.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.