Home / 945,852,807.45-1,305,316,528.86-543,966,869.96

Finding the Fourth Proportional to 945,852,807.45, 1,305,316,528.86 and 543,966,869.96

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Solution

The fourth proportional to 945,852,807.45, 1,305,316,528.86 and 543,966,869.96 is: 750,697,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,852,807.45 : 1,305,316,528.86 = 543,966,869.96 : x
  2. Step 2: Convert to fraction form
    945,852,807.45/1,305,316,528.86 = 543,966,869.96/x
  3. Step 3: Cross multiply
    945,852,807.45x = 1,305,316,528.86 × 543,966,869.96
  4. Step 4: Simplify right side
    945,852,807.45x = 710,048,946,511,026,176
  5. Step 5: Solve for x
    x = 710,048,946,511,026,176/945,852,807.45
  6. Step 6: Final answer
    x = 750,697,086.18

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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.