Home / 509,842,748,088.15-703,579,349,575.90-278,356,259,790.40

Finding the Fourth Proportional to 509,842,748,088.15, 703,579,349,575.90 and 278,356,259,790.40

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Solution

The fourth proportional to 509,842,748,088.15, 703,579,349,575.90 and 278,356,259,790.40 is: 384,129,649,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,842,748,088.15 : 703,579,349,575.90 = 278,356,259,790.40 : x
  2. Step 2: Convert to fraction form
    509,842,748,088.15/703,579,349,575.90 = 278,356,259,790.40/x
  3. Step 3: Cross multiply
    509,842,748,088.15x = 703,579,349,575.90 × 278,356,259,790.40
  4. Step 4: Simplify right side
    509,842,748,088.15x = 195,845,716,213,709,886,455,808
  5. Step 5: Solve for x
    x = 195,845,716,213,709,886,455,808/509,842,748,088.15
  6. Step 6: Final answer
    x = 384,129,649,677.49

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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.