Home / 781,238,430.16-1,079,003,810.10-514,506,614.92

Finding the Fourth Proportional to 781,238,430.16, 1,079,003,810.10 and 514,506,614.92

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Solution

The fourth proportional to 781,238,430.16, 1,079,003,810.10 and 514,506,614.92 is: 710,608,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,238,430.16 : 1,079,003,810.10 = 514,506,614.92 : x
  2. Step 2: Convert to fraction form
    781,238,430.16/1,079,003,810.10 = 514,506,614.92/x
  3. Step 3: Cross multiply
    781,238,430.16x = 1,079,003,810.10 × 514,506,614.92
  4. Step 4: Simplify right side
    781,238,430.16x = 555,154,597,820,333,504
  5. Step 5: Solve for x
    x = 555,154,597,820,333,504/781,238,430.16
  6. Step 6: Final answer
    x = 710,608,408.89

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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.