Home / 10,130,678,444.32-13,980,337,578.84-5,614,849,047.64

Finding the Fourth Proportional to 10,130,678,444.32, 13,980,337,578.84 and 5,614,849,047.64

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Solution

The fourth proportional to 10,130,678,444.32, 13,980,337,578.84 and 5,614,849,047.64 is: 7,748,492,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130,678,444.32 : 13,980,337,578.84 = 5,614,849,047.64 : x
  2. Step 2: Convert to fraction form
    10,130,678,444.32/13,980,337,578.84 = 5,614,849,047.64/x
  3. Step 3: Cross multiply
    10,130,678,444.32x = 13,980,337,578.84 × 5,614,849,047.64
  4. Step 4: Simplify right side
    10,130,678,444.32x = 78,497,485,140,235,485,184
  5. Step 5: Solve for x
    x = 78,497,485,140,235,485,184/10,130,678,444.32
  6. Step 6: Final answer
    x = 7,748,492,420.49

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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.