Home / 873,528,030.60-1,310,292,045.90-678,382,895.40

Finding the Fourth Proportional to 873,528,030.60, 1,310,292,045.90 and 678,382,895.40

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Solution

The fourth proportional to 873,528,030.60, 1,310,292,045.90 and 678,382,895.40 is: 1,017,574,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,528,030.60 : 1,310,292,045.90 = 678,382,895.40 : x
  2. Step 2: Convert to fraction form
    873,528,030.60/1,310,292,045.90 = 678,382,895.40/x
  3. Step 3: Cross multiply
    873,528,030.60x = 1,310,292,045.90 × 678,382,895.40
  4. Step 4: Simplify right side
    873,528,030.60x = 888,879,711,917,231,744
  5. Step 5: Solve for x
    x = 888,879,711,917,231,744/873,528,030.60
  6. Step 6: Final answer
    x = 1,017,574,343.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.