Home / 945,852,807.20-1,305,316,528.52-543,966,869.71

Finding the Fourth Proportional to 945,852,807.20, 1,305,316,528.52 and 543,966,869.71

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Solution

The fourth proportional to 945,852,807.20, 1,305,316,528.52 and 543,966,869.71 is: 750,697,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,852,807.20 : 1,305,316,528.52 = 543,966,869.71 : x
  2. Step 2: Convert to fraction form
    945,852,807.20/1,305,316,528.52 = 543,966,869.71/x
  3. Step 3: Cross multiply
    945,852,807.20x = 1,305,316,528.52 × 543,966,869.71
  4. Step 4: Simplify right side
    945,852,807.20x = 710,048,945,993,765,248
  5. Step 5: Solve for x
    x = 710,048,945,993,765,248/945,852,807.20
  6. Step 6: Final answer
    x = 750,697,085.83

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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.