Home / 1,681,616,064.02-2,320,585,190.28-928,913,039.96

Finding the Fourth Proportional to 1,681,616,064.02, 2,320,585,190.28 and 928,913,039.96

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Solution

The fourth proportional to 1,681,616,064.02, 2,320,585,190.28 and 928,913,039.96 is: 1,281,875,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,616,064.02 : 2,320,585,190.28 = 928,913,039.96 : x
  2. Step 2: Convert to fraction form
    1,681,616,064.02/2,320,585,190.28 = 928,913,039.96/x
  3. Step 3: Cross multiply
    1,681,616,064.02x = 2,320,585,190.28 × 928,913,039.96
  4. Step 4: Simplify right side
    1,681,616,064.02x = 2,155,621,843,577,547,264
  5. Step 5: Solve for x
    x = 2,155,621,843,577,547,264/1,681,616,064.02
  6. Step 6: Final answer
    x = 1,281,875,149.57

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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.