Home / 10,345,968,007.80-15,518,952,011.70-2,985,218,849.40

Finding the Fourth Proportional to 10,345,968,007.80, 15,518,952,011.70 and 2,985,218,849.40

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Solution

The fourth proportional to 10,345,968,007.80, 15,518,952,011.70 and 2,985,218,849.40 is: 4,477,828,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345,968,007.80 : 15,518,952,011.70 = 2,985,218,849.40 : x
  2. Step 2: Convert to fraction form
    10,345,968,007.80/15,518,952,011.70 = 2,985,218,849.40/x
  3. Step 3: Cross multiply
    10,345,968,007.80x = 15,518,952,011.70 × 2,985,218,849.40
  4. Step 4: Simplify right side
    10,345,968,007.80x = 46,327,468,068,260,896,768
  5. Step 5: Solve for x
    x = 46,327,468,068,260,896,768/10,345,968,007.80
  6. Step 6: Final answer
    x = 4,477,828,274.10

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1.5x scale

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.