Home / 928,537,981.65-1,281,382,371.63-510,841,298.88

Finding the Fourth Proportional to 928,537,981.65, 1,281,382,371.63 and 510,841,298.88

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Solution

The fourth proportional to 928,537,981.65, 1,281,382,371.63 and 510,841,298.88 is: 704,960,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,537,981.65 : 1,281,382,371.63 = 510,841,298.88 : x
  2. Step 2: Convert to fraction form
    928,537,981.65/1,281,382,371.63 = 510,841,298.88/x
  3. Step 3: Cross multiply
    928,537,981.65x = 1,281,382,371.63 × 510,841,298.88
  4. Step 4: Simplify right side
    928,537,981.65x = 654,583,035,085,404,160
  5. Step 5: Solve for x
    x = 654,583,035,085,404,160/928,537,981.65
  6. Step 6: Final answer
    x = 704,960,968.77

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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.