Home / 711,184,046,288.75-981,408,590,595.08-402,528,778,397.01

Finding the Fourth Proportional to 711,184,046,288.75, 981,408,590,595.08 and 402,528,778,397.01

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Solution

The fourth proportional to 711,184,046,288.75, 981,408,590,595.08 and 402,528,778,397.01 is: 555,475,341,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,184,046,288.75 : 981,408,590,595.08 = 402,528,778,397.01 : x
  2. Step 2: Convert to fraction form
    711,184,046,288.75/981,408,590,595.08 = 402,528,778,397.01/x
  3. Step 3: Cross multiply
    711,184,046,288.75x = 981,408,590,595.08 × 402,528,778,397.01
  4. Step 4: Simplify right side
    711,184,046,288.75x = 395,045,201,080,568,866,930,688
  5. Step 5: Solve for x
    x = 395,045,201,080,568,866,930,688/711,184,046,288.75
  6. Step 6: Final answer
    x = 555,475,341,639.17

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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.